Unfitted FEM: Nitsche Method, CutFEM and Ghost Penalty
Introduction CutFEM (Cut Finite Element Method) is a framework that allows the finite element method to be applied even when…
Tech
kevin-tofu Benchmarking: Solve Linear Equations with Julia
Introduction Since Julia has great package Gridap, which is able to deal with FEM computation efficiently, Julia lang is one…
Labeling Boundary with Gridap and export as VTU. What is the feature of Julia?
Data Structure in FaceLabeling I struggled with ChatGPT to resolve bugs in my code, but finally gave up. It just…
Solve Linear Elasticity with Gridap, Julia
Introduction Gridap is a highly useful finite element solver built with Julia.However, since the documentation still feels somewhat incomplete, I…
Create simple mesh with Gridap
Lx, Ly, Lz = (5.0, 5.0, 1.0) nx, ny, nz = (10, 10, 2) domain = (0.0,Lx, 0.0,Ly, 0.0,Lz) partition…
Level set method: Update GridapTopOpt Tutorial
Introduction GridapTopOpt is a library that is able to handle level set method based topology optimization. This library is built…
Compile and Install PETSc with external libraries
Download/Install superlu_dist/mumps/MPI/cmake Output Install Activate PETSc Add dir to PATH Check Activation thru GridapPETSc If it tells the path where…
Measure elapsed time of process with bash
start=$(date +%s) # processes you wanna measure sleep 3 end=$(date +%s) echo "elapsed time: $((end - start)) sec" start=$(date +%s%N)…
Solve FEM using Gridap with PETSc backend
Introduction In the previous article, I solved structural analysis with Gridap, which is contained Gridap tutorial, and showed result with…