Host: Japan Association for Wind Engineering
Pages 187-188
When we compute the flow around an object having an appendage directly by CFD, especially when its shape is a curve or a curved surface, in order to prevent the shape approximation error not to affect the result, a computational mesh which enough resolves near the appendage is required. On the other hand, the isogeometric analysis method proposed by Hughes et al. recently eliminates shape approximation errors and could be strict shape representation even if a small number of elements in numerical simulations. In the present study, we developed an isogeometric fluid analysis method and analyzed around a circular cylinder with an appendage for validation. As a result, a slight difference in flow fields when an appendage exists was observed.
