6.1 KiB
6.1 KiB
type, title, updated, tags, status, related
| type | title | updated | tags | status | related | ||
|---|---|---|---|---|---|---|---|
| meta | Hot Cache | 2026-05-28T12:20:00+09:00 |
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current |
Recent Context
Last Updated
2026-05-28. The wiki was trimmed to finite-element scope, then solid element, shell element, MITC, dynamic buckling, and shell finite element review sources were ingested, including .raw/SolidElement/.
Key Recent Facts
- Current sources: Finite Element Procedures, Solid Element Notes, A Continuum Mechanics Based Four-Node Shell, Four-Node-Quadrilateral-Shell-Element-MITC4, MITC Study Notes, Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method, and On-the-Finite-Element-Analysis-of-Shell-Structures.
- Current domain: Computational Mechanics.
- Current core concepts: Finite Element Method, Engineering Mathematical Models, Displacement-Based Finite Element Formulation, Isoparametric Finite Elements, Isoparametric Linear Solid Elements, Solid Element Shape Functions, Solid Element Strain-Displacement Matrix, Solid Element Stiffness Integration, Incompatible Mode Solid Elements, Mixed Finite Element Formulations, Nonlinear Finite Element Analysis, Continuum Mechanics Based Four-Node Shell Element, Assumed Transverse Shear Strain Interpolation, Total Lagrangian Shell Formulation, MITC4 Shell Element, MITC Shell Kinematics, Green-Lagrange Strain Linearization, Nonlinear Newmark-Beta Integration, Dynamic Buckling Analysis, Dynamic Instability Region, Geometric Stiffness Matrix, Scordelis-Lo Shell Benchmark, Basic Shell Mathematical Model, Shell Structure Asymptotic Behavior, Shell Locking Phenomenon, Uniform Optimal Convergence, Shell Element Benchmark Testing, Finite Element Heat Transfer and Field Problems, Static Equilibrium Equation Solvers, Direct Time Integration Methods, Finite Element Eigenproblem Solvers, and Finite Element Program Implementation.
- The solid element notes contribute a 3D continuum element formulation thread: linear isoparametric solid element topologies, natural-coordinate shape functions, Jacobian derivative mapping, stiffness integration, and incompatible mode enrichment.
- The four-node shell paper contributes a continuum-mechanics shell formulation, an assumed transverse shear strain interpolation to avoid shear locking, and a total Lagrangian nonlinear shell analysis setting.
- The MITC4 source contributes an OOFEM implementation thread, patch-test verification, and Scordelis-Lo convergence data for a four-node quadrilateral shell element.
- The MITC study notes contribute derivation details: shell director kinematics, Green-Lagrange strain linearization, constitutive transformation, and nonlinear Newmark-beta iteration.
- The dynamic buckling thesis contributes a validated MITC4 shell program workflow: geometric stiffness, lumped mass, BLZPACK eigenvalue solves, ABAQUS comparisons, and instability-region prediction.
- The shell FE review contributes the conceptual reliability frame: basic shell mathematical model, bending/membrane/mixed asymptotic behavior, locking, uniform optimal convergence, and benchmark testing.
- Removed non-finite-element wiki content, old canvases, old fold pages, old question/comparison notes, old release/audit/session artifacts, and pre-2026-05-28 log entries.
Recent Changes
- Created most recently: Solid Element Notes, Isoparametric Linear Solid Elements, Solid Element Shape Functions, Solid Element Strain-Displacement Matrix, Solid Element Stiffness Integration, Incompatible Mode Solid Elements
- Previous shell review thread: On-the-Finite-Element-Analysis-of-Shell-Structures, Phill-Seung Lee, Hyuk-Chun Noh, Basic Shell Mathematical Model, Shell Structure Asymptotic Behavior, Shell Locking Phenomenon, Uniform Optimal Convergence, Shell Element Benchmark Testing
- Previous dynamic stability thread: Dynamic-Buckling-Analysis-of-Shell-Structures-using-Finite-Element-Method, Hee Jun Lee, Inha University, BLZPACK, ABAQUS, Dynamic Buckling Analysis, Dynamic Instability Region, Geometric Stiffness Matrix
- Previous MITC derivation thread: MITC Study Notes, MITC Shell Kinematics, Green-Lagrange Strain Linearization, Nonlinear Newmark-Beta Integration
- Previous MITC implementation thread: Four-Node-Quadrilateral-Shell-Element-MITC4, MITC4 Shell Element, Scordelis-Lo Shell Benchmark, Edita Dvorakova, Borek Patzak, OOFEM
- Previous shell thread: A Continuum Mechanics Based Four-Node Shell, Eduardo N. Dvorkin, Continuum Mechanics Based Four-Node Shell Element, Assumed Transverse Shear Strain Interpolation, Total Lagrangian Shell Formulation
- Updated: index, overview, log, hot, getting-started, dashboard, Wiki Map, sources/_index, concepts/_index, entities/_index
- Preserved: finite-element source/entity/domain/concept pages and wiki operational files.
Active Threads
- User is curating this vault as a finite element and computational mechanics wiki, now with a solid-and-shell element thread that connects 3D continuum formulation, isoparametric interpolation, stiffness integration, incompatible modes, shell asymptotic behavior, locking remedies, uniform convergence, benchmarks, nonlinear dynamics, and dynamic buckling stability prediction.