<img src="https://img.jishulink.com/upload/201804/1524140808919_blob.png" title="blob.png" alt="blob.png" alt='ABAQUS CFD怎么给圆环内径表面施加沿径向的速度边界？的图1'

帮助文档：只能选择直角坐标系。<img src="https://img.jishulink.com/upload/201804/1524153594247_cfd.png" title="cfd.png" alt="cfd.png" style="max-width: 760px;"/> 当然，你可以把入流区域建出来，曲线救国<img src="https://img.jishulink.com/upload/201804/1524153773246_1.png" title="1.png" style="max-width:760px;" alt="1.png"/><img src="https://img.jishulink.com/upload/201804/1524153820224_cfd-bc.gif" title="cfd-bc.gif" style="max-width:760px;" alt="cfd-bc.gif"/>