http://www.lagamine.uliege.be/dokuwiki/ 2026-05-17T05:58:26+0200 http://www.lagamine.uliege.be/dokuwiki/ http://www.lagamine.uliege.be/dokuwiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/adve2?rev=1598363174&do=diff ADVE2 Plane or axisymmetric advection-diffusion Description For the axisymmetric element, the symmetry axis is Y. The element is defined by 4 nodes specified in NODES following the order indicated in the figure. The element must be used with law $f_{x,tot}$$f_{y,tot}$$f_{x,disp}$$f_{y,disp}$$f_{e,trans}$$f_{e,conv}$$f_{e,m-im}$$f_{e,degr}$$v_x$$v_y$$c_{im}$ text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/adve3?rev=1598363174&do=diff ADVE3 Description The element is defined by 8 nodes specified in NODES(8) following the order given in the figure. This element uses law ADV3D. The resolution method is the UPWIND FUPG method (with second order derivatives of the interpolation functions). The time discretization must therefore be small enough (Courant number less than unity) but the mesh can be distorted. $f_{x,tot}$$f_{y,tot}$$f_{z,tot}$$f_{x,disp}$$f_{y,disp}$$f_{z,disp}$$f_{e,trans}$$f_{e,conv}$$f_{e,m-im}$$f_{e,degr… text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/bem2d?rev=1598363174&do=diff BEM2D 2D boundary element Description Boundary element using the “BEM” method in linear mechanical analysis. A group of BEM boundary elements defines a region considered as an equivalent finite element. Type: 60 Implemented by: X.C. Wang, 1987 - Last revision: A-M. Habraken, 1991 text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/bem3d?rev=1598363174&do=diff BEM3D 3D boundary element Description Boundary element using the “BEM” method in linear elastic mechanical analysis. A group of BEM boundary elements defines a region considered as an equivalent finite element. No volumetric force is taken into account. text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/binds?rev=1598363174&do=diff BINDS Description These elements are used to impose a linear relationship between the DOF of some nodes They must refer to the material law BINDS (ITYPE= 30) Element type: 99 Implemented by: Bertarini I. (1986) & revised by Pascon F. (1999) Example of relationship: $\displaystyle\sum_{i=1}^{m} \alpha_i . \delta_i = \alpha_0$$\delta_i$$\alpha_i$$\alpha_0$$m$$\alpha_0$$\alpha$$\alpha_i$$\alpha_0$$4.U_1 + 2. V_2 - U_3 = 0$$2.V_1 + 2. U_2 + 4.U_3 = 4$$U_3$$\alpha_i$$\alpha_1$$\alpha_2$$\alpha… text/html 2020-08-25T15:46:14+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/blz2d?rev=1598363174&do=diff BLZ2D FIXME The prepro subroutine for BLZ2D seems to have been copy/pasted from BLZ3D and contains discrepancies (notably NNODE = 8 when NNODE should be = 4) The prepro subroutine needs to be checked and corrected. Description Plane or axisymmetric state. $\sigma_Y=\sigma_{Y0}+yd\sigma_Y$$\sigma_{Y0}$$\sigma_Y$$\sigma_X/\sigma_Y$ text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/blz2t?rev=1598363175&do=diff BLZ2T Plane or axisymmetric state Description Element for thermo-mechanical analysis in large deformation with or without metallurgy (static or dynamic). For the axisymmetric element, the symmetry axis is Y. The element is defined by 4 nodes specified in NODES(4) following the order given in the figure. $\sigma_X=\sigma_{X0}+Xd\sigma_X$$\sigma_{X0}$$\sigma_X/\sigma_Y$$\sigma_x,\sigma_{xy},\sigma_{xxy},\sigma_{xz},f_x,f_y,f_{capacitif}$ text/html 2021-12-17T16:34:51+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/blz3d?rev=1639755291&do=diff BLZ3D/BWD3D Description 8 node large strain volumetric element with hourglass and locking control. Implemented by: Zhu Yongyi, January 1992 Improved by: Laurent Duchêne and Pierre de Montleau, August 2004 (BWD3D version) Type: 22 Prepro: BLZ3DA.F text/html 2021-12-17T16:37:04+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/blz3t?rev=1639755424&do=diff BLZ3T/BWD3T Description 8 node large strain volumetric element with hourglass and locking control for thermo-mechanical analysis. Implemented by: Zhu Yongyi, December 1991 Improved by: Lihong Zhang, May 2005 (BWD3T version) Type: 222 Prepro: BLZ3TA.F $\sigma_x,\sigma_y,\sigma_z,\sigma_{xy},\sigma_{xz},\sigma_{yz},f_x,f_y,f_z,f_{capacitif}$ text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/bocha?rev=1598363175&do=diff BOCHA Force distributed on the boundaries of a plane element Description This element applies a normal pressure P on the parabolic or lineic borders of an element. Each border is defined by 2 or 3 nodes. The positive axis for pressure is on the left when considering the element in the order of the nodes. text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/brils?rev=1598363175&do=diff BRILS Volumic element Description Type: 21 Implemented by: AM Habraken, 1982 Files Prepro: BRILSA.F Lagamine: BRILSB.F Input file Title (A5)TITLE“BRILS” in the first 5 columnsControl data (4I5)NELEMNumber of elementsISPMAS = 0 Nothing $\sigma_Z=\sigma_{Z0}+zd\sigma_z$$\sigma_Z = \min(\sigma_{Z0}+zd\sigma_z, \phi*D\phi)$$\sigma_{Z0}$$\sigma_Z$$k_0$$\sigma_x/\sigma_z$$=\sigma_y/\sigma_z$$p$$\sigma'=\sigma - p$$\sigma_x,\sigma_y,\sigma_z,\sigma_{xy},\sigma_{xz},\sigma_{yz}$ text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/brith?rev=1598363175&do=diff BRITH Description Volumic element. Type: 121 Implemented by: A-M Habraken, 1982 Files Prepro: BRITHA.F Lagamine: BRITHB.F Input file Title (A5)TITLE“BRITH” in the first 5 columnsControl data (I5)NELEMNumber of elementsDefinition of elements (5I5/8I5)$f_X$$f_Y$$f_Z$$f_c$ text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cfi3d?rev=1598363175&do=diff CFI3D 3D contact element Description Type: 212 The element consists of 4 or 8 nodes connected to the structure. The normal (red side in DESFIN) must go out of the structure. The foundation, defined by a series of triangular or quadrangular sides, by a cylinder or a truncated cone, is defined in the $\vec{12}$$\vec{13}$$\vec{n}=\vec{12} \wedge\vec{13}$$(R, \phi, 0)$$\phi$$\phi=0$$(R_1, R_2, \phi)$$R_1$$R_2$$\phi$$\phi=0$$PRESS = PRES0 + (Z*DPRES)$$TAUn = TAUn0+(Z*DTAUn)$$\tau$$-\xi$$-… text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cncas?rev=1598363175&do=diff CNCAS Coupled contact for continuous casting Description The element has 2 or 3 nodes (linear or parabolic) and is related to a foundation. Convention: when the element is considered in increasing order of nodes (1 → 2 → 3), the first body is to the left, and the foundation to the right. text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cnt2d?rev=1598363175&do=diff CNT2D 2D mechanical contact between deformable structures :?: This element seems to have been erased from Lagamine. It does not appear in LAMELM (Prepro) or in ELEMB (Lagamine) and no corresponding subroutine exists anymore. text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cntcp?rev=1598363175&do=diff CNTCP 2D contact element Description The element consists of 2 or 3 nodes (linear or parabolic) and is related to a foundation or a tool previously defined. Convention: when the element is considered in increasing order of nodes (1 → 2 → 3), the first body is to the left, and the tool or foundation to the right. $PRESS = PRESS0 + (Y*DPRES) \text{ for } P\geq 0$$TAU = TAU0+(Y*DTAU)$$SIGnn=SI0nn+(Y*DSIG)$$\sigma_{11}$$\sigma_{22}$$\sigma_{12}$$\sigma_{33}$ text/html 2020-08-25T15:46:15+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/conra?rev=1598363175&do=diff CONRA Description 2D boundary. The element is used to model convection and radiation between the structure and the environment. It is defined by 1, 2, or 3 “real” nodes and 1 node representing the environment. It can only be used with laws RACO and text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/coqj4?rev=1598363176&do=diff COQJ4 Quadrangular shallow shell element Description * Bending: Kirchhoff's theory in plane stress state * Corotational total Lagrangian formulation taking into account the curvature of the element during deformation (Marguerre theory is used in cartesian coordinates; the element converges towards a deep shell solution).$e_{xM}$$e_{yM}$$e_{zM}$$e_{xF}$$e_{yF}$$e_{zF}$ text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cora3?rev=1598363176&do=diff CORA3 Description 3-dimensional boundary. The element has 8 “real” nodes and 1 node representing the environment. It models convection and radiation between the structure and the environment. This element can only be used with the law RACO. Type: 114 text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/coutr?rev=1598363176&do=diff COUTR Description 1D truss bar or oedometer. The element is defined by 2 nodes. It associates conduction or flow with mechanics. The stress field (truss bar) or strain field (oedometer) is uniaxial. Element type: 204 Implemented by: R. Charlier (1988)$\sigma= 0$$\sigma= 0$ text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cpl2d?rev=1598363176&do=diff CPL2D Plane or axisymmetric state Description Thermomechanical analysis in large deformation with or without metallurgy (in static or dynamic). The element is defined by 3, 4, 6, or 8 nodes specified in NODES according to the order indicated in the figure. $\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_y$$\sigma_x$$\sigma_y$$\sigma_{xy}$$\sigma_z$$f_x$$f_y$$f_{capacitive}$$f$$\varepsilon^p$$\sigma_x$$\sigma_y$$\sigma_{xy}$$\sigma_z$$f_x$$f_y$$f_{capacitive}$$f_{phase change}$$0$$\lambda$$\r… text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cpl3d?rev=1598363176&do=diff CPL3D Description Thermo-mechanical analysis in large deformations (static or dynamic) Type: 221 Implemented by: Y.Y. Zhu (1991) Files Prepro: CPL3DA.F Lagamine: CPL3DB.F Input file Title (A5)TITLE“CPL3D” in the first 5 columnsControl data (2I5)$\sigma_x,\sigma_y,\sigma_z,\sigma_{xy},\sigma_{xz},\sigma_{yz},f_x,f_y,f_z,f_{capacitif}$ text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/csol2?rev=1598363176&do=diff CSOL2 Plane or axisymmetric state Description Coupled mechanical-flow analysis in large deformations. Type: 203 The element is defined by 3, 4, 6, 8, 15 or 25 nodes indicated in NODES in the order indicated in the figure. The flow description can be different from the mechanical description: pressure could be linearly interpolated in a 3 or 4 nodes configurations, while the mechanical DoFs would be parabolically interpolated in a 6 or 8 nodes configuration. In that case, the flow… text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/csol3?rev=1598363176&do=diff CSOL3 Description Coupled mechanical-flow analysis in large deformations. Type: 223 Implemented by: J-P. Radu (1997) Files Prepro: CSOL3A.F Lagamine: CSOL3B.F Input file Title (A5)TITLE“CSOL3” in the first 5 columnsControl data (4I5)$\sigma_z=\sigma_{z0}+zd\sigma_{z}$$\sigma_z=min(\sigma_{z0}+zd\sigma_z,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_z$$k_0$$\sigma_y/\sigma_z$$\rho_a'$\[\rho_a'=\left[(1-n)\rho_s+n S_w\rho_w\right]-\rho_w\]$\rho_s$$\rho_w$$n$$S_w$$\sigma_x,\sigm… text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/cstls?rev=1598363176&do=diff CSTLS Description Plane or axisymmetric state. For the axisymmetric state, the symmetry axis is Y. The element is defined by 4 nodes and is build from assembling 4 triangular sub-elements with a constant strain field (Constant Strain Triangle). Element type: 6 text/html 2020-08-25T15:46:16+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/ctmlc?rev=1598363176&do=diff CTMLC 2D interface-joint :!: Still under development (?) - Last update: september 2003 (S. Castagne) Description The element has 2 or 3 nodes (linear or parabolic) and is related to a foundation or a tool. This element is designed for the study of polycristalline material and mainly to the representation of interfaces such as grain boundaries. It includes pressure, friction, and can also include the axial and transverse thermal flows at the boundary. $PRESS = PRESS0 + (Y*DPRES) \text{ … text/html 2022-06-03T10:38:11+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/czm3d?rev=1654245491&do=diff CZM3D 3D cohesive zone model :!: Still under development (?) - Last update: 2005 (C. Lequesne) Description This element models the fracture of a material in case of monotonous loading or fatigue. This element, which models an interface of the crack, is composed with 4 nodes and linked with a 4 nodes foundation (ICODE=11), which models the other interface. $\vec{n} = \vec{12} \wedge \vec{13}$$T_n$$T_p$$T_s$ text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/czmel?rev=1598363177&do=diff CZMEL 2D cohesive zone model :!: Still under development (?) - Last update: 2005 (C. Lequesne) Description This element models the fracture of a material in case of monotone loading or fatigue. This element, which models an interface of the crack, is composed with 2 nodes and linked with a foundation which models the other interface. $T$$T_n$ text/html 2023-12-12T16:02:25+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/ehmic?rev=1702393345&do=diff EHMIC Plane or axisymmetric state Description 2D Multi-scale Coupled Analysis in large deformations: Mechanical-Water-Air. Type: 283 The element is defined by 8 nodes indicated in NODES according to the order presented in the figure. 4 integration points are used for the interpolation. $\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_y$$k_0$$\sigma_z/\sigma_y$\[\rho_a'=[(1-n)\rho_s+nS_w\rho_w]-\rho_w\]$\rho_s$$\rh… text/html 2023-11-24T11:27:50+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/ehypofe2?rev=1700821670&do=diff EHYPOFE2 Plane or axisymmetric state Description 2D Multi-scale Coupled Analysis: Water-Air-Pollutant. Type: 284 The element is defined by 4 or 8 nodes indicated in NODES according to the order presented in the Figure. 4 integration points are used for the interpolation. $\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_y$$k_0$$\sigma_z/\sigma_y$\[\rho_a'=[(1-n)\rho_s+nS_w\rho_w]-\rho_w\]$\rho_s$$\rho_w$$n$$S_w$$\… text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/faif2?rev=1598363177&do=diff FAIF2D Interface 2D fault Description Type: 210 The element consists of 2, 3, 4, or 5 nodes (line, parabola - DoF 1, 2, 3, 4, 5) relating to one side of the fault (= the structure), and 2, 3, 4, or 5 additional nodes to discretize the flow of water, gas, or temperature inside the fault (DoF 3, 4, 5). It also relates to a predefined foundation. $PRESS = PRESS0 + (Y*DPRES) \text{ for } P\geq 0$$TAU = TAU0+(Y*DTAU)$$SIGnn=SI0nn+(Y*DSIG)$$\sigma_{11}$$\sigma_{22}$$\sigma_{12}$$\sigma_{33}$$V… text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/faif3?rev=1598363177&do=diff FAIF3 3D fault interface Description Type: 227 The element consists of 4 or 8 nodes (DoF 1, 2, 3, 4, 5, and 6) relating to one side of the fault (= the structure), and 4 or 8 additional nodes to discretize the flow of water, gas, or temperature inside the fault (DoF 4, 5, and 6). It also relates to a predefined foundation. $\vec{12}$$\vec{13}$$\vec{n}=\vec{12} \wedge\vec{13}$$PRESS = PRES0 + (Z*DPRES)$$TAUn = TAUn0+(Z*DTAUn)$$f_{w,x,loc}$$f_{w,y,loc}$$f_{g,x,loc}$$f_{g,y,loc}$$f_{t,x,loc… text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fail2?rev=1598363177&do=diff FAIL2D Interface 2D fault Description Type: 210 The element consists of 2, 3, 4, or 5 nodes (line, parabola) and is related to a predefined foundation or tool. This element is dedicated to soil mechanics and in particular to structure-structure contact (fault). It includes pressure, friction, flow axial to the fault, the flow transversal to the fault (along the thickness). $PRESS = PRESS0 + (Y*DPRES) \text{ for } P\geq 0$$TAU = TAU0+(Y*DTAU)$$SIGnn=SI0nn+(Y*DSIG)$$V$$D$$\sigma_{11}$$\sig… text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fail3?rev=1598363177&do=diff FAIL3 3D fault interface Description Type: 213 The element consists of 4 or 8 nodes connected to the structure. The normal (red side in DESFIN) must go out of the structure. The foundation, defined by a series of triangular or quadrangular sides, by a cylinder or a truncated cone, is defined in the $\vec{12}$$\vec{13}$$\vec{n}=\vec{12} \wedge\vec{13}$$(R, \phi, 0)$$\phi$$\phi=0$$(R_1, R_2, \phi)$$R_1$$R_2$$\phi$$\phi=0$$PRESS = PRES0 + (Z*DPRES)$$TAUn = TAUn0+(Z*DTAUn)$$SIGnn=SI0nn+(… text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fain2?rev=1598363177&do=diff FAIN2D Interface 2D fault Description Type: 214 The element consists of 2, 3, 4, or 5 nodes (line, parabola - DoF 1, 2, 3) relating to one side of the fault (= the structure), and 2, 3, 4, or 5 additional nodes to discretize the flow inside the fault (DoF 3). It also relates to a predefined foundation. $PRESS = PRESS0 + (Y*DPRES) \text{ for } P\geq 0$$TAU = TAU0+(Y*DTAU)$$SIGnn=SI0nn+(Y*DSIG)$$\sigma_{11}$$\sigma_{22}$$\sigma_{12}$$\sigma_{33}$$V$$D$ text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fain3?rev=1598363177&do=diff FAIN3 3D fault interface Description Type: 217 The element consists of 4 or 8 nodes (DoF 1, 2, 3, and 4) relating to one side of the fault (= the structure), and 4 or 8 additional nodes to discretize the flow inside the fault (DoF 4). It also relates to a predefined foundation. $\vec{12}$$\vec{13}$$\vec{n}=\vec{12} \wedge\vec{13}$$PRESS = PRES0 + (Z*DPRES)$$TAUn = TAUn0+(Z*DTAUn)$$f_{x,loc}$$f_{y,loc}$$V$$D$ text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fmilc?rev=1598363177&do=diff FMILC Mixed boundary condition in pressure on 2D boundary Description Fluid MIxed Limit Condition The element consists of 1, 2, or 3 “real” nodes and 1 node representing the environment. It is used for modelling a mixed type of boundary condition. text/html 2020-08-25T15:46:17+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fmiv3?rev=1598363177&do=diff FMIV3 Mixed boundary condition for seepage + evaporation on 3D boundary Description Fluid MIxed limit condition Vapour Pressure 3D The element consists of 4 or 8 “real” nodes and 1 node representing the environment. It is used for modelling a mixed seepage+evaporation type of boundary condition in 3D. text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/fmivp?rev=1598363178&do=diff FMIVP Mixed boundary condition for seepage + evaporation on 2D boundary Description Fluid MIxed limit condition Vapour Pressure The element consists of 1, 2, or 3 “real” nodes and 1 node representing the environment. It is used for modelling a mixed type of boundary condition. text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/heatx?rev=1598363178&do=diff HEATX 3D heat exchange Description The element is defined by 4 or 6 nodes specified in NODES. Currently, only the linear element is available. The element only works with thermal law LINADC. A classic element consists of 2 (or 3) pipe nodes as well as ground nodes to which they are connected. The heat exchange between the pipe and the ground is a function of the temperature difference between the fluid inside the pipe and the ground. text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/infm2?rev=1598363178&do=diff INFM2 Infinite plane or axisymmetric element. Description This infinite element is based on a transformation of coordinates between a classic reference element and a real element. For instance, the reference element can be similar to the classic PLXLS element (coordinates ξ and η vary between [-1, 1]). However the real element INFM2 has some of its nodes to infinite coordinates. It is therefore an open element. The infinite nodes are not used in the formulation. $x=\displaystyle\sum_{l=1}^{NN… text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/jet2d?rev=1598363178&do=diff JET2D Plane or axisymmetric state Description For the axisymmetric state, the symmetry axis is Y. :!: If plane stress state: the element only accepts a thicknesss THICK=1 (default value) → Use forces per thickness unit F/e to solve the problem. text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/jet3d?rev=1598363178&do=diff JET3D 3D element Description Element adapted to the simulation of rolling. For cases of complete or normal orthotropicity of the rolled sheet, the numbering of nodes must be done to have the local Z axis perpendicular to the rolled sheet. Type: 25 $\beta_{12}$$\beta_{13}$$\beta_{23}$$\alpha$ text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/jet3t?rev=1598363178&do=diff JET3T Description Volumic element for non-linear thermal conduction, with control of hourglass modes and 1 integration point. Type: 125 Implemented by: M. Dyduch, 1991 Files Prepro: JET3TA.F Lagamine: JET3TB.F Input file Title (A5)TITLE$f_X$$f_Y$$f_Z$$f_c$ text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/join2?rev=1598363178&do=diff JOIN2 Junction between plane shell and solid Description Element for mechanical analysis with plane shells in generalized plane state (NTANA=7, IANA=5). Junction element allowing the simultaneous use of plane shells (KIRSH, MINDS) and solid elements (PLXLS, JET2D, ... text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/kirsh?rev=1598363178&do=diff KIRSH Thin plane shell in generalized plane state Description Element for mechanical analysis with plane shells in generalized plane state (NTANA=7, IANA=5). Plane membrane element with 2 nodes; the base theory is Kirchhoff (conservation of the perpendicularity of the normal). text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/licha?rev=1598363178&do=diff LICHA Force distributed on a line (plane or axisymmetric state) Description This element applies a normal pressure P and a tangent stress τ (in local axes) or a stress $\sigma_x$ and a stress $\sigma_y$ (in global axes) on a curved or straight boundary line. This line is defined by a variable number of nodes (2, 3, 4 or 5). The positive axis for tangent stress goes in the direction of the nodes. The positive axis for pressure is on the left when considering the element in the order of the n… text/html 2020-08-25T15:46:18+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/licht?rev=1598363178&do=diff LICHT Flux distributed on a line Description This element imposes a thermal flux along a parabolic border line of an element. This line is defined by a variable number of nodes (2, 3, 4 or 5). The flux is defined by the fictive law LICHT. This flux is multiplicated either by multiplicator FMULT or by DMULT. text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/lien3?rev=1598363179&do=diff LIEN3 3D junction between the node of a shell and a line of solid nodes Description See internal report of MSM team, may 1992. Type: 46 Files Prepro: LIEN3A.F Lagamine: LIEN3B.F Input file Title (A5)TITLE“LIEN3” in the first 5 columnsControl data (I5) text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/mem2d?rev=1598363179&do=diff MEM2D Plane membrane in in generalized plane state Description Element for mechanical analysis with plane shells in generalized plane state (NTANA=7, IANA=5). Plane membrane element with 2 nodes; linear interpolation of displacements. The thickness is actualized. $\sigma_x$$\sigma_z$ text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/minds?rev=1598363179&do=diff MINDS Thick plane shell in generalized plane state Description Element for mechanical analysis with plane shells in generalized plane state (NTANA=7, IANA=5). Thick plane membrane element with 2 nodes; the base theory is Mindlin (energy of shear taken into account). The two displacements of the center line U and V and the rotation of the normal Δθ are interpolated isoparametrically (linear interpolation). The thickness is actualized. text/html 2023-11-22T14:52:55+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/mwat2?rev=1700661175&do=diff MWAT2 Plane or axisymmetric state Description Complete coupled analysis soil mechanics-3 fluids. Couplings: Mechanical-Water-Air-Temperature in large deformations. Type: 205 The element is defined by 3, 4, 6, 8, 15 or 25 nodes indicated in NODES in the order indicated in the figure. \[N_1=\zeta(4\zeta-1)(4\zeta-2)(4\zeta-3)/6 \\ N_2=\xi(4\xi-1)(4\xi-2)(4\xi-3)/6 \\ N_3=\eta(4\eta-1)(4\eta-2)(4\eta-3)/6 \\ N_4=4\zeta\xi(4\zeta-1)(4\xi-1) \\ N_5= 4\xi\eta(4\xi-1)(4\eta-1) \\ N_6= 4\eta… text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/mwat3?rev=1598363179&do=diff MWAT3 Description Coupled mechanical-3 flows analysis; Coupling: Mechanical-Water-Air-Temperature in large deformations. The element is defined by 4, 8, 16, 20, 24 or 32 nodes specified in NODES following the order indicated in the figure. The constitutive $\sigma_z=\sigma_{z0}+zd\sigma_{z}$$\sigma_z=min(\sigma_{z0}+zd\sigma_z,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_z$$k_0$$\sigma_y/\sigma_z$$\rho_a'$\[\rho_a'=\left[(1-n)\rho_s+n S_w\rho_w\right]-\rho_w\]$\rho_s$$\rho_w$$n$$S_w… text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/pl8tm?rev=1598363179&do=diff PL8TM Plane or axisymmetrical thermo-metallurgical element Description Coupling of the thermal analysis with the metallurgical structure. The element is defined by 8 nodes specified in NODES(8) following to the order indicated in the figure. $\gamma$$P_r$$P_e$$B_a$$M_a$$f_x$$f_y$$f_c$$f_q$ text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/plani?rev=1598363179&do=diff PLANI Description Plane membrane. The element is defined by 4 nodes. Element type: 5 Implemented by: I. Bertarini (1986) Files Prepro: PLANIA.F Lagamine: PLANIB.F Input file Title (A5)TITLE“PLANI” in columns 1 to 5 Control data (2I5, 2G10.0) $\sigma_x, \sigma_y, \tau_{xy}, \sigma_z$ text/html 2020-08-25T15:46:19+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/plath?rev=1598363179&do=diff PLATH Description Plane state. The element is defined by 4 or 8 nodes. Type: 105 Files Prepro: PLATHA.F Lagamine: PLATHB.F Input file Title (A5)TITLE“PLATH” in the first 5 columnsControl data (I5)NELEMNumber of elementsDefinition of elements (2I5/8I5)$f_X$$f_Y$$f_c$ text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/plxls?rev=1598363180&do=diff PLXLS Description Plane state or axisymmetrical element For the axisymmetrical element, the axis of symmetry must be the Y axis. The element is defined by 3, 4, 6, or 8 nodes (see Input file). For the generalised plane state, 8 nodes of the plane must be defined; the ninth is automatically the last one of the NODES section. $\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigma_x/\sigma_y$$k_0$$\sigma_z/\sigma_y$$\sigma_r$$\sigma_L$$… text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/plxnt?rev=1598363180&do=diff PLXNT Description Plane or axisymmetric state. For the axisymmetric state, the axis of symmetry is necessarily the Y axis. The element is defined by 3, 4, 6, or 8 nodes. Type: 107 Implemented by: J.P. Radu, 1996 - from developments of R. Charlier, 1982 $f_X$$f_Y$$f_c$ text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/q2mlc?rev=1598363180&do=diff Q2MLC Mixed boundary condition for flow on 2D boundary Description Q (flow) 2D MIxed Limit Condition The element imposes a fluid flow along the parabolic boundary of an element. This line is defined by 2 or 3 nodes. The imposed flow is defined by law $S_{rw}$$(1-S_{rw})$$S_{rw}$ text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/rayon?rev=1598363180&do=diff RAYON Description Radiative exchange between walls or between wall and environment. Used with 3 node CONRA elements. Type: 112 Implemented by: M. Bourdouxhe, 1987 Files Prepro: RAYONA.F Lagamine: RAYONB.F Input file TITLE (A5)TITLE“RAYON”$A_1 F_{12}=A_2 F_{21}$ text/html 2024-04-19T10:42:49+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/react?rev=1713516169&do=diff REACT Flux distributed on a surface (copy of SUCHT) Description This element imposes a thermal flux on a surface defined by a variable number of nodes (3, 4, 6 or 8). The flux is defined by the fictive law RCHIM. This flux is multiplicated either by multiplicator FMULT or by DMULT. text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/ress?rev=1598363180&do=diff RESS Description The RESS formulation employs just the Enhanced Assumed Strain (EAS) technique with a reduced integration scheme. These elements have special integration schemes dedicated to analyze problems involving non-linear through-thickness distribution without requiring many element layers. $\sigma_x,\sigma_y,\sigma_z,\sigma_{xy},\sigma_{xz},\sigma_{yz}$ text/html 2020-08-25T15:46:20+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/resso?rev=1598363180&do=diff RESSO Spring distributed on a line Description This element consists in a spring distributed on a parabolic or straight line. It should be used with plane beam elements (KIRSH or MINDS) to simulate the behavior of soil from each side of these beam elements. The line is defined by 2 or 3 nodes. The springs are located on the left when travelling along the element in increasing node order. $K_0$ text/html 2021-06-30T13:18:38+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sgcpe?rev=1625051918&do=diff SGCPE (Type 622) 3D N20R BRICK ELEMENT FOR SGCP CONSTITUTIVE LAW VALIDATED IF AND ONLY IF USING SGCP LAW NTANA MUST BE 19 Files Prepro: HU491_V3.F Lagamine: HU492_V3.F Input file Format (A5)TITLE“SGCP3” in the first 5 columnsFormat (4I5)$\sigma_x$$\sigma_y$$\sigma_z$$\sigma_{xy}$$\sigma_{xz}$$\sigma_{yz}$ text/html 2020-08-25T15:46:21+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sgra2?rev=1598363181&do=diff SGRA2 Plane or axisymmetric state Description Mechanical analysis, Grenoble 2nd gradient method, in large deformations. The element is defined by 9 nodes specified in NODES in the order indicated in the figure. Nodes 1, 3, 5, and 7 have 6 DoF ($u_1$$u_2$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$u_1$$u_2$$\lambda_{11}$$\lambda_{12}$$\lambda_{21}$$\lambda_{22}$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$$\sigma_{y0}$$\sigma_y$$k_0$$\sigm… text/html 2023-12-12T15:59:07+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sgrc2?rev=1702393147&do=diff SGRC2 Plane or axisymmetric state Description Mechanical-flow analysis, Grenoble 2nd gradient method, in large deformations. The element is defined by 9 nodes specified in NODES in the order indicated in the figure. Nodes 1, 3, 5, and 7 have 6 DoF ($u_1$$u_2$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$u_1$$u_2$$\lambda_{11}$$\lambda_{12}$$\lambda_{21}$$\lambda_{22}$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$$\sigma_{y0}$$\sigma_y$$k… text/html 2023-12-12T16:01:25+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sgrt2?rev=1702393285&do=diff SGRT2 Plane or axisymmetric state Description Coupled Mechanical-Water-Air-Temperature analysis, Grenoble 2nd gradient method, in large deformations. Type: 230 The element is defined by 9 nodes specified in NODES in the order indicated in the figure. $u_1$$u_2$$p_w$$p_g$$T$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$u_1$$u_2$$p_w$$p_g$$T$$\lambda_{11}$$\lambda_{12}$$\lambda_{21}$$\lambda_{22}$$v_{11}$$v_{12}$$v_{21}$$v_{22}$$\sigma_y=\sigma_{y0}+yd\sigma_{y}$$\sigma_y=min(\sigma_{y0}+yd\sigma_y… text/html 2020-08-25T15:46:21+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/ssh3d?rev=1598363181&do=diff SSH3D 3D solid-shell element Description Type: 23 Implemented by: A. Ben Bettaieb, L. Duchêne, A-M. Habraken (2009) Files Prepro: SSH3DA.F Lagamine: SSH3DB.F Input file Title (A5)TITLE“SSH3D” in the first 5 columnsControl data (4I5)NELEM$\sigma_x,\sigma_y,\sigma_z,\sigma_{xy},\sigma_{xz},\sigma_{yz}$ text/html 2020-08-25T15:46:21+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/stiff?rev=1598363181&do=diff STIFF Concentrated stiffness Description This element defines a stiffness for a given degree of freedom. It can be used for instance for a foundation for which the stiffness originates only from a solid-solid contact element. It can also be used as a linear spring between the initial position and the actual position of the node. text/html 2022-01-21T16:39:13+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sucha?rev=1642779553&do=diff SUCHA Force distributed on a surface Description This element applies a normal pressure $P$ and two tangent stresses $\tau$ oriented along axes $\xi$ and $\eta$ on a surface defined by a variable number of nodes (3, 4, 6 or 8). The forces are defined by the fictive law $\xi$$\eta$$P$$\tau_{\eta}$$\tau_{\xi}$ text/html 2022-01-21T16:33:46+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/sucht?rev=1642779226&do=diff SUCHT Flux distributed on a surface Description This element imposes a thermal flux on a surface defined by a variable number of nodes (3, 4, 6 or 8). The flux is defined by the fictive law LICHT. This flux is multiplicated either by multiplicator FMULT or by DMULT. text/html 2020-08-25T15:46:22+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/trpo2?rev=1598363182&do=diff TRPO2 Description For the axisymmetric element, the symmetry axis is Y. The element is defined by 4 nodes specified in NODES following the order indicated in the figure. The element must be used with law PTRNS The resolution method is the UPWIND FUPG method (with second order derivatives of the interpolation functions). The time discretization must therefore be small enough (Courant number less than unity). $P_e>2$\[C_r=\frac{|\underline{v}|\Delta t}{dx}\]\[P_e=\frac{|\underline{v}… text/html 2020-08-25T15:46:22+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/truss?rev=1598363182&do=diff TRUSS Description Plane truss bar. The element is rectilinear between 2 nodes (I,J). These nodes define the local axis 1; local axis 2 forms an orthonormal basis with local axis 1 and the axis perpendicular to the TRUSS plane. The TRUSS element can only be used with law $\sigma_0$ text/html 2020-08-25T15:46:22+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/tuyau?rev=1598363182&do=diff TUYAU Description 2D or 3D parabolic line. The element is defined by 2 or 3 nodes. Type: 106 Implemented by: J.P. Radu, 1996 - from developments of M. Bourdouxhe, 1986 Files Prepro: TUYAUA.F Lagamine: TUYAUB.F Input file Title (A5)TITLE text/html 2020-08-25T15:46:22+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/vocht?rev=1598363182&do=diff VOCHT Flux distributed in a volume Description This element imposes a thermal flux in a surface defined by a variable number of nodes. The flux is defined by the fictive law LICHT. This flux is multiplicated either by multiplicator FMULT or by DMULT. text/html 2020-08-25T15:46:23+0200 Anonymous (anonymous@undisclosed.example.com) http://www.lagamine.uliege.be/dokuwiki/doku.php/elements/wepro?rev=1598363183&do=diff WEPRO Boundary condition between a well and a reservoir Description WEll Production element The element consists of 1, 2, or 3 “real” nodes and 1, 2, or 3 nodes representing the environment. It is used for modelling exchanges of fluid between a well and the reservoir.