Unstructured Finite Volume Solver

Unstructured Finite Volume Solver for Partial Differential Equations

Principles/Goals

1. Truly Fortran -std=[f2008,f2018] 😎
2. Object Oriented Design for separation of geometry, physics and solution
3. Coarrays for distributed memory parallelism
4. pure, elemental, do concurrent for shared memory parallelism

File Groups

Assembler

• unstructured-finite-volume/src/class_assembler.f90 (KB: What is the difference between assembler and finite volume assembler?)

Physics

• unstructured-finite-volume/src/interface_physics.f90
• unstructured-finite-volume/src/class_physics_unsteady_heat.f90

Time integrators

• unstructured-finite-volume/src/integrator_interface.f90
• unstructured-finite-volume/src/backward_differences_class.f90

Nonlinear System Solvers

• unstructured-finite-volume/src/interface_nonlinear_solver.f90
• unstructured-finite-volume/src/class_nonlinear_solver.f90

Linear System Solvers

• unstructured-finite-volume/src/interface_linear_solver.f90
• unstructured-finite-volume/src/class_sor.f90
• unstructured-finite-volume/src/class_conjugate_gradient.f90
• unstructured-finite-volume/src/class_gauss_jacobi.f90
• unstructured-finite-volume/src/class_gauss_seidel.f90

Mesh, Readers and Writers

• unstructured-finite-volume/src/interface_mesh_loader.f90
• unstructured-finite-volume/src/mesh/class_gmsh_loader.f90
• unstructured-finite-volume/src/module_mesh_utils.f90
• unstructured-finite-volume/src/class_mesh.f90

Utilities

• unstructured-finite-volume/src/class_string.f90
• unstructured-finite-volume/src/class_file.f90
• unstructured-finite-volume/src/class_set.f90
• unstructured-finite-volume/src/class_list.f90

Examples

• unstructured-finite-volume/examples/unsteady-heat/test.f90
• unstructured-finite-volume/examples/poisson/test.f90

Unit Tests

Test Assembly of Linear System

• unstructured-finite-volume/test_sparse.f90
• unstructured-finite-volume/test/assembly/test.f90
• unstructured-finite-volume/test/unsteady/test.f90

Unit Test Mesh IO

• unstructured-finite-volume/test/mesh/test.f90
• unstructured-finite-volume/test/mesh/class_test_mesh_loader.f90

Unit Test Solve

• unstructured-finite-volume/test/solve/test.f90