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Hey everyone,
Could someone help me with a simple simulation example?
I need to model a 2D square surface (width ×ばつ height) with circular inclusions (mesh isn’t an issue). The goal is to simulate chloride ingress into this surface over a 100-year time history, using Fick’s second law for diffusion.
I’ve searched online but couldn’t find a clear example. Does anyone have a minimal working example in APDL (ANSYS Mechanical) or PyAnsys for this case? Even a basic script would be incredibly helpful!
Thanks in advance!
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Replies: 3 comments
Hi @wmpjrufg! Thanks for reaching out. Forwarding this request to some of our library developers:
PyMAPDL: @germa89
PyMechanical: @dipinknair @koubaa
Not sure if we have similar examples on our codebase.
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Thank you @RobPasMue for pinging me.
Querying the verification manual guide I found out the following VMs that seems to use diffusion.
It might be a good starting point if you are considering PyMAPDL as part of your workflow.
vm150.dat:
Title
VM150,Diffusion In A Plane Sheet
Info
Reference: Crank,J. The Mathematics of Diffusion.
2nd printing, Bristol: Oxford University Press
vm164.dat:
Title
VM164, Drying Of A Thick Wooden Slab (Diffusion)
Info
HEAT, MASS AND MOMENTUM TRANS., ROHSENOW AND CHOI, 2ND. PR., PAGE 392
vm220.dat:
Title
VM220,Electromigration Diffusion With Perfectly Blocking Diffusion Barrier
Info
USING COUPLED ELECTRIC DIFFUSION ELEMENTS
USING PURE DIFFUSION ELEMENTS - PLANE238
vm226.dat:
Title
VM226,1d Advection Diffusion Problem
Info
REFERENCE: ANY STANDARD FLUID DYNAMICS OR HEAT TRANSFER
TEXTBOOK WITH DIFFUSION EQUATION
- USING PURE DIFFUSION ELEMENTS - PLANE238
- USING COUPLED STRUCTURAL DIFFUSION ELEMENTS - PLANE223
vm276.dat:
Title
VM276,Constant Diffusion Flux In A Plane Sheet
Info
Reference: Crank,J. The Mathematics of Diffusion.
2nd printing, Bristol: Oxford University Press
vm299.dat:
Title
VM299,Sound Pressure Level In A Flat Room
Info
REFERENCE: A.BILLON,J.PICAUT,"INTRODUCING ATMOSPHERIC ATTENUATION
WITHIN A DIFFUSION MODEL FOR ROOM-ACOUSTIC PREDICTIONS"
MARCH 2008.
vm300.dat:
Title
VM300,Transmission Loss In Coupled-Room
Info
Reference: A.Billon,C.Foy,"Modeling The Sound Transmission Between
ROOMS COUPLED THROUGH WALLS BY USING A DIFFUSION MODEL"
MARCH 2008.
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@germa89 what's this ID vm???.dat is a text model APDL. The ID doesn't a hyperlink.
About this books i found some these. Thank you so much.