Load Decomposition and Energy Interaction in Linear Structural Analysis
How elastic energy is decomposed with displacements In linear structural analysis, the response to multiple external load components can be…
kevin-tofu Maintenance Error in WordPress
The error When I update a plugin in WordPress, the page says “Briefly unavailable for scheduled maintenance. Check back in…
Krylov Subspace
Problem Setting In many tasks, what we want to solve is linear system where This is the operator (matvec) setting.…
Install PETSc with Nix
Nix is a functional package manager and build system that treats software environments as pure, declarative specifications rather than mutable…
Test Large Deformation in Structural Analysis
Introduction Large deformation refers to a state in which a material or structure undergoes changes in shape or size that…
Adjoint Analysis
Introduction The adjoint method is a technique that exploits the constraints imposed by the PDE (via the finite element method)…
Gridap-vs-Ngsolve-vs-Skfem
Introduction In the past, I compared computational cost between Skfem(Scikit-fem) and Ngsolve. Without doing experiments, I had already known the…
Cahn-Hillard with Gridap, Julia
Implementation
Phase-Field – Cahn–Hilliard –
Introduction There exists a modeling approach known as the phase-field method.It provides an effective way to represent interface motion and…
Update pyenv env list and install
Introduction You must create new test environment with pyenv in order to verify if test works in the environment. Cmd