The flow of making block matrix for dual mortar
About Concept In primal mortar, takes FE basis where is trace basis of each surface s=slave and m=master. So the…
Physics
kevin-tofu Explain the flow of introducing Shape Function and FEM with Linear Matrix
About I don’t know much about how foreign books explain finite element methods, weak forms, and structural analysis using them,…
Stabilize Solution for Mortar Contact
This article is highly supported by ChatGPT. Mortar Method In previous article, mortar method which is one of the solution…
Mortar Method: Fully tied 3D Contact Using Scikit FEM
About In Scikit-FEM, the supermeshing feature allows handling contact problems even when two bodies have different or nonconforming meshes. In…
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…
Krylov Subspace
Problem Setting In many tasks, what we want to solve is linear system where This is the operator (matvec) setting.…
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