elements:ehypofe2
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elements:ehypofe2 [2023/11/24 10:48] arthur created |
elements:ehypofe2 [2023/11/24 11:27] (current) arthur [Results] |
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| - | ====== EHMIC ====== | + | ====== EHYPOFE2 ====== |
| Plane or axisymmetric state | Plane or axisymmetric state | ||
| ===== Description ===== | ===== Description ===== | ||
| {{ :elements:ehmic2.png?400|}} | {{ :elements:ehmic2.png?400|}} | ||
| - | 2D Multi-scale Coupled Analysis in large deformations: Mechanical-Water-Air. \\ | + | 2D Multi-scale Coupled Analysis:\\ Water-Air-Pollutant. \\ |
| \\ | \\ | ||
| - | Type: 283 \\ | + | Type: 284 \\ |
| \\ | \\ | ||
| - | 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. \\ | + | 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. \\ |
| + | Remark: the convergence is better with 4 nodes than with 8 due to numerical oscillations.\\ | ||
| The mechanical constitutive laws that can be used with this element are, for instance: | The mechanical constitutive laws that can be used with this element are, for instance: | ||
| * [[laws:ela|ELA]]: Elastic constitutive law | * [[laws:ela|ELA]]: Elastic constitutive law | ||
| - | * [[laws:epplasol|EP-PLASOL]]: Elasto-plastic constitutive law with linear elasticity | ||
| - | * [[laws:orthopla|ORTHOPLA]]: Elasto‑plastic constitutive law with linear anisotropic elasticity | ||
| - | The flow constitutive laws that can be used with this element are, for now: | ||
| - | * [[laws:hmic|HMIC]]: Hydraulic micro law with WA coupling and implicit mechanics | ||
| \\ | \\ | ||
| - | Implmented by: F. Bertrand & G. CORMAN, 2019 | + | Implemented by: A. Fanara based on the work of F. Bertrand, 2020 |
| ==== Files ==== | ==== Files ==== | ||
| - | Prepro: EHMICA.F \\ | + | Prepro: EHYPOFE2A.F \\ |
| - | Lagamine: EHMICB.F | + | Lagamine: EHYPOFE2B.F |
| ===== Input file ===== | ===== Input file ===== | ||
| ^Title (A5)^^ | ^Title (A5)^^ | ||
| - | |TITLE|"EHMIC" in the first 5 columns| | + | |TITLE|"EHYPO"| |
| - | ^Control data (4I5)^^ | + | |
| + | ^Control data (2I5)^^ | ||
| |NELEM|Number of elements| | |NELEM|Number of elements| | ||
| |INSIG|= 0 → No initial stress \\ = 1 or 2 → Initial stresses| | |INSIG|= 0 → No initial stress \\ = 1 or 2 → Initial stresses| | ||
| Line 33: | Line 31: | ||
| |AK0Z|$k_0$ ratio $\sigma_z/\sigma_y$ (if AK0Z=0, AK0Z=AK0X)| | |AK0Z|$k_0$ ratio $\sigma_z/\sigma_y$ (if AK0Z=0, AK0Z=AK0X)| | ||
| |The computation of SIGY0 and DSIGY must take into account the apparent specific mass, defined as \[\rho_a'=[(1-n)\rho_s+nS_w\rho_w]-\rho_w\] where: \\ $\rho_s$ is the solid specific mass - this represents the specific mass of a fictive sample where ther is no porosity, i.e. where the grains occupy the whole volume of the sample \\ $\rho_w$ is the fluid specific mass \\ $n$ is the porosity defined in the flow law related to the element \\ $S_w$ fluid saturation, ∈ [0,1]|| | |The computation of SIGY0 and DSIGY must take into account the apparent specific mass, defined as \[\rho_a'=[(1-n)\rho_s+nS_w\rho_w]-\rho_w\] where: \\ $\rho_s$ is the solid specific mass - this represents the specific mass of a fictive sample where ther is no porosity, i.e. where the grains occupy the whole volume of the sample \\ $\rho_w$ is the fluid specific mass \\ $n$ is the porosity defined in the flow law related to the element \\ $S_w$ fluid saturation, ∈ [0,1]|| | ||
| - | ^Definition of the elements (6I5/16I5(/9I5)) ^^ | + | |
| - | |NNODM|Number of nodes for the mechancial description: 8| | + | ^Definition of the elements (6I5/4 or 8I5) ^^ |
| + | |NNODM|Number of nodes for the mechanical description: 4 or 8 (preferred 4)| | ||
| |NINTM|Number of integration point for the mechanical description: 4| | |NINTM|Number of integration point for the mechanical description: 4| | ||
| |LMATM|Mechanical law| | |LMATM|Mechanical law| | ||
| - | |NNODP|Number of nodes for the flow description: 8| | + | |NNODP|Number of nodes for the fluid description: 4 or 8 (preferred 4)| |
| |NINTP|Number of integration points for the flow description: 4 \\ Must be equal to NINTM| | |NINTP|Number of integration points for the flow description: 4 \\ Must be equal to NINTM| | ||
| |LMATF|Flow law| | |LMATF|Flow law| | ||
| |NODES(NNODEM)|List of nodes| | |NODES(NNODEM)|List of nodes| | ||
| - | ^Definition of the hydraulic micro-elements in the microstructure (1I5/4I5) ^^ | + | |
| - | |NUMEL2|Number of hydraulic micro-elements| | + | ^Definition of the elements in the microstructure ^^ |
| - | |IELEM2|No. of the hydraulic micro-element| | + | ^Line 1 (1I5) ^^ |
| + | |NUMEL2|Total number of micro-elements| | ||
| + | ^Line 2->NUMEL2+1 (6I5) ^^ | ||
| + | |IELEM2|Number of the micro-element| | ||
| |ILAW|Type of element: 1=bedding plane, 2=bundle of tubes, 3=bridging plane| | |ILAW|Type of element: 1=bedding plane, 2=bundle of tubes, 3=bridging plane| | ||
| - | |NDUN|No. of the micro-node at one side of the micro-element| | + | |NDUN|No. of the micro-node at corner 1 of the micro-element| |
| - | |NDDEUX|No. of the micro-node at the other side of the micro-element| | + | |NDDEUX|No. of the micro-node at corner 2 of the micro-element| |
| - | ^Definition of the hydraulic micro-nodes in the microstructure (1I5/10I5) ^^ | + | |NDTROIS|No. of the micro-node at corner 3 of the micro-element| |
| - | |NUMNDH|Number of hydraulic micro-nodes| | + | |NDQUTR|No. of the micro-node at corner 4 of the micro-element| |
| - | |INOD2|No. of the hydraulic micro-node| | + | |
| - | |IEDGE|No. of the microstructure boundary to which belong the micro-node: 0=none, 1=left or bottom, 2=right or top| | + | |
| - | |IELUN|No. of the 1st micro-element connected to the micro-node| | + | |
| - | |IELDEUX|No. of the 2nd micro-element connected to the micro-node| | + | |
| - | |IELTROIS|No. of the 3rd micro-element connected to the micro-node| | + | |
| - | |IELQUTR|No. of the 4th micro-element connected to the micro-node| | + | |
| - | |IELCINQ|No. of the 5th micro-element connected to the micro-node| | + | |
| - | |IELSIX|No. of the 6th micro-element connected to the micro-node| | + | |
| - | |IELSEPT|No. of the 7th micro-element connected to the micro-node| | + | |
| - | |IELHUIT|No. of the 8th micro-element connected to the micro-node| | + | |
| ===== Results ===== | ===== Results ===== | ||
| * Stresses (in global axes) | * Stresses (in global axes) | ||
| * Mechanical stresses $\sigma_x$, $\sigma_y$, $\sigma_{xy}$, $\sigma_z$ | * Mechanical stresses $\sigma_x$, $\sigma_y$, $\sigma_{xy}$, $\sigma_z$ | ||
| - | * Flow in water $f_{wx}$, $f_{wy}$, $f_{w,stored}$ | + | * Flow of water $f_{wx}$, $f_{wy}$, $f_{we}$ |
| - | * Flow in air $f_{ax}$, $f_{ay}$, $f_{a,stored}$ | + | * Flow of gas $f_{gx}$, $f_{gy}$, $f_{ge}$ |
| - | * Advection dissolved gas flux $f_{adx}$, $f_{ady}$ | + | * Advective and diffusive flow of pollutant $f_{px}$, $f_{py}$, $f_{pe}$ |
| - | * Diffusion dissolved gas flux $f_{addx}$, $f_{addy}$ | + | * Diffusion pollutant flux $f_{px,b},f_{py,b}$ |
| - | * Advection gaseous gas flux $f_{agx}$, $f_{agy}$ | + | |
| * Internal variables: | * Internal variables: | ||
| * Internal variables of the mechanical law | * Internal variables of the mechanical law | ||
| * Internal variables of the flow law | * Internal variables of the flow law | ||
elements/ehypofe2.1700819305.txt.gz · Last modified: 2023/11/24 10:48 by arthur
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