Usage

Usage

• Assembly
  • Single-Space vs Role-Explicit Assembly
  • Measure handling (weak form vs tensor vs kernel)
• Role-Explicit API Migration
  • Recommended API
  • Experimental Role-Aware Mixed Prototype
  • Still Supported
  • Solver and Benchmark Direction
  • Deprecated Compatibility Paths
  • Low-Level Constructors
  • NumPy Backend Scope
  • Contact Backend Direction
• Chunked Assembly
  • Why chunked assembly?
  • How to use n_chunks
  • Best practices
• Solvers
  • Linear solves
  • Nonlinear solves (Newton)
  • Choosing a linear solver
  • Dirichlet handling
• FE Spaces
  • When to use which
  • Building pytree spaces
  • Notes
• Contact Interface Usage
  • Role Specs
  • Backend Selection
  • One-To-Many Contact
  • Penalty-Style Jacobian Assembly
  • Volume vs Contact API Style
  • Contact Operators API (Recommended)
  • Contact Coupling Matrices (Constraint)
  • KKT Assembly, FluxSparse, and BCOO
  • KKT Solve
  • Notes
  • CoupledSystemBuilder (Penalty)
  • Constraint with Builder
  • Mixed NumPy/JAX Inputs
  • Embedding Map (With Unmapped Report)
• Remote Constraints and Virtual Springs
  • Core APIs
  • Remote Point Layout
  • RBE2
  • RBE3
  • RBE3 Weight Helpers
  • Virtual Springs
  • Inferring Spring Stiffness from Force and Target
  • Field-Local Matrix Contributions
  • DOF-Level Constraint Wiring
  • ConstraintSpec for Unified Constraint Descriptors
  • Equivalent Remote Resultant for RBE3
  • Typical RBE3 + Spring Workflow
  • Reference Script
  • Current Scope
• Contact API Boundaries
  • Object Model
  • Dependency Direction
  • Axes: family / enforcement / formulation
  • Configuration Scope
  • Known Constraint: p0 Side
  • Guarantees Covered by Tests
  • Backend Direction
  • Coordinate Differentiation