A high-efficiency discretized immersed boundary method for moving boundaries in incompressible flows by Dong Xu, Jianing Liu, Yunfeng Wu, Chunning Ji

“…The results show speedup ratios of 30–40 or even higher using DIBM when compared with conventional IBM for typical moving boundary simulations like particle-laden flows, while the error is estimated to be under 1% and can be further decreased by using finer subgrid stencils. …”
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