https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/41535/scfen-USTelligent Community 12https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/41535/scfMon, 18 Mar 2019 02:56:49 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:2f4b092f-a51c-4f06-9307-1927b9c8636dQiang Hehttps://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/41535/scf#commentsCurrent Revision posted to 技术资料库 by Qiang He on 3/18/2019 2:56:49 AM<br /> <p><img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-04-10/pastedimage1552877644896v2.png" /></p> <p>通过A<span>、</span>B<span>点所获得的平均主应力，进行外插值得到应力集中点处的集中应力，然后在用这个集中应力值除以通过理论计算得到的梁的名义应力获取</span>SCF<span>结果。</span></p> <p>A,B<span>点的平均主应力计算，是通过在同一个平面内（</span>5<span>&deg;</span>tolerance<span>）将与</span>A,B<span>点分别相连的</span>plate<span>单元的主应力进行一点应力旋转，然后将两个位置的板的旋转后的主应力值分别相加，然后分别除以各自的</span>plate<span>单元数目，即可得到</span>A,B<span>位置的平均主应力。</span></p> <p>一点应力的旋转是将局部的plate<span>单元的坐标旋转到外插值坐标（以</span>A-B<span>方向为</span>X<span>方向），具体的坐标示例如下图所示。</span></p> <p><img alt=" " src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-04-10/pastedimage1552877623492v1.png" /></p> <p>对于更加详细的计算过程，参见Post<span>手册</span>3.10 Hotspot SCF Calculation.</p><div style="clear:both;"></div> https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/41535/scf/revision/1Mon, 18 Mar 2019 02:54:22 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:2f4b092f-a51c-4f06-9307-1927b9c8636dQiang Hehttps://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/41535/scf#commentsRevision 1 posted to 技术资料库 by Qiang He on 3/18/2019 2:54:22 AM<br /> <p><img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-04-10/pastedimage1552877644896v2.png" alt=" " /></p> <p>通过A<span>、</span>B<span>点所获得的平均主应力，进行外插值得到应力集中点处的集中应力，然后在用这个集中应力值除以通过理论计算得到的梁的名义应力获取</span>SCF<span>结果。</span></p> <p>A,B<span>点的平均主应力计算，是通过在同一个平面内（</span>5<span>&deg;</span>tolerance<span>）将与</span>A,B<span>点分别相连的</span>plate<span>单元的主应力进行一点应力旋转，旋转后将两个位置的板的旋转后的主应力值分别相加，然后分别除以各自的</span>plate<span>单元数目，即可得到</span>A,B<span>位置的平均主应力。</span></p> <p>一点应力的旋转是将局部的plate<span>单元的坐标旋转到外插值坐标（以</span>A-B<span>方向为</span>X<span>方向），具体的坐标示例如下图所示。</span></p> <p><img src="/resized-image/__size/320x240/__key/communityserver-wikis-components-files/00-00-00-04-10/pastedimage1552877623492v1.png" alt=" " /></p> <p>对于更加详细的计算过程，参见Post<span>手册</span>3.10 Hotspot SCF Calculation.</p><div style="clear:both;"></div>