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We avoid the difficult problem of generating fluid and structure meshes at new points in the design space by using immersogeometric FSI analysis.
A new hierarchical adaptive structured mesh represents the mesh layer.
Multiblock structured mesh generation is amongst the most popular meshing techniques for flow simulations.
The sample groups tested included surface drainage layers with knob geometry, irregularly meshed polymeric fibers, and structured mesh.
In the framework, 3D structured mesh is adapted for accurate and efficient calculation, which is a major difference from previous researches.
The state of the art in this area is more advanced for structured mesh methods and finite-element methods than for unstructured mesh finite-volume methods.
To test the method, the results using a zipper layer mesh and a fully structured mesh are compared regarding solution accuracy and convergence.
Uniformly and adaptively refined solutions using a Cartesian-mesh approach are obtained and compared to each other and to uniformly refined structured mesh results.
The mesh size sensitivity is analysed by modelling a single tensile fracture propagation problem and three-point bending tests using a series of models with the same geometry but different structured mesh sizes.
Almost all of these advances are restricted to structured meshes.
Our adaptive scheme is based on locally structured meshes.
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