elements:ehmic
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
elements:ehmic [2023/11/23 11:01] gilles |
elements:ehmic [2023/12/12 16:02] (current) gilles [Description] |
||
|---|---|---|---|
| Line 15: | Line 15: | ||
| * [[laws:hmic|HMIC]]: Hydraulic micro law with WA coupling and implicit mechanics | * [[laws:hmic|HMIC]]: Hydraulic micro law with WA coupling and implicit mechanics | ||
| \\ | \\ | ||
| - | Implmented by: F. Bertrand & G. CORMAN, 2019 | + | Implemented by: F. Bertrand & G. Corman (2019) |
| + | \\ \\ | ||
| + | The framework definition of this element can be found in Corman (2024)((Corman, G. (2024). Hydro-mechanical modelling of gas transport processes in clay host rocks in the context of a nuclear waste repository. PhD thesis, University of Liège. https://hdl.handle.net/2268/307996)). | ||
| ==== Files ==== | ==== Files ==== | ||
| Prepro: EHMICA.F \\ | Prepro: EHMICA.F \\ | ||
| Line 25: | Line 27: | ||
| ^Control data (4I5)^^ | ^Control data (4I5)^^ | ||
| |NELEM|Number of elements| | |NELEM|Number of elements| | ||
| - | |ISPSMAS|= 0 → Nothing \\ = 1 → Take into account the specific mass if and only if NTANA<0| | ||
| |INSIG|= 0 → No initial stress \\ = 1 or 2 → Initial stresses| | |INSIG|= 0 → No initial stress \\ = 1 or 2 → Initial stresses| | ||
| - | |INBIO|= 0 → No Biot coefficient \\ = 1 → Isotropic Biot coefficient | | ||
| - | ^Specific mass in dynamic analysis - Only if ISPMAS = 1 (1G10.0)^^ | ||
| - | |SPEMAS|Specific mass| | ||
| ^Initial stresses - Only if INSIG > 0 (4G10.0)^^ | ^Initial stresses - Only if INSIG > 0 (4G10.0)^^ | ||
| |If INSIG=1: $\sigma_y=\sigma_{y0}+yd\sigma_{y}$ \\ If INSIG=2: $\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$|| | |If INSIG=1: $\sigma_y=\sigma_{y0}+yd\sigma_{y}$ \\ If INSIG=2: $\sigma_y=min(\sigma_{y0}+yd\sigma_y,0)$|| | ||
| Line 37: | Line 35: | ||
| |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]|| | ||
| - | ^Biot coefficient - Only if INBIO = 1 (1G10.0)^^ | ||
| - | |CBIOT|Biot coefficient| | ||
| ^Definition of the elements (6I5/16I5(/9I5)) ^^ | ^Definition of the elements (6I5/16I5(/9I5)) ^^ | ||
| - | |NNODM|Number of nodes for the mechancial description: 3, 4, 6, 8, 15, or 25| | + | |NNODM|Number of nodes for the mechancial description: 8| |
| - | |NINTM|Number of integration point (1, 3, 4, 7, 9, 12, or 16) for the mechanical description| | + | |NINTM|Number of integration point for the mechanical description: 4| |
| - | |LMATM|Mechanical material| | + | |LMATM|Mechanical law| |
| - | |NNODP|Number of nodes for the flow description: 3, 4, 6, 8, 15, or 25| | + | |NNODP|Number of nodes for the flow description: 8| |
| - | |NINTP|Number of integration points (1, 3, 4, 7, 9, 12, or 16) for the flow description \\ Must be equal to NINTM| | + | |NINTP|Number of integration points for the flow description: 4 \\ Must be equal to NINTM| |
| - | |LMATF|Flow material| | + | |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| | ||
| + | |IELEM2|No. of the hydraulic micro-element| | ||
| + | |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| | ||
| + | |NDDEUX|No. of the micro-node at the other side of the micro-element| | ||
| + | ^Definition of the hydraulic micro-nodes in the microstructure (1I5/10I5) ^^ | ||
| + | |NUMNDH|Number of hydraulic micro-nodes| | ||
| + | |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 $f_{wx}$, $f_{wy}$, $f_{w,stored}$, 0 | + | * Flow in water $f_{wx}$, $f_{wy}$, $f_{w,stored}$ |
| - | * Flow in air $f_{ax}$, $f_{ay}$, $f_{a,stored}$, 0 | + | * Flow in air $f_{ax}$, $f_{ay}$, $f_{a,stored}$ |
| - | * Thermal flow $f_{tx}$, $f_{ty}$, $f_{t,stored}$, 0 | + | * Advection dissolved gas flux $f_{adx}$, $f_{ady}$ |
| + | * Diffusion dissolved gas flux $f_{addx}$, $f_{addy}$ | ||
| + | * 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/ehmic.1700733705.txt.gz · Last modified: 2023/11/23 11:01 by gilles
Page Tools
