<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt">Hello Gmshers:<div id="yiv1898865484"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "></div></div></div><div>I am a new user of gmsh, and currently I am trying to make a 3D mesh.</div><div>All the points (including surface points and points inside of the volume) are calculated already,</div><div>and are defined in the .geo file. Then all the surface points are used to define the surface line loops </div><div>and the triangular plane surfaces. After input to gmsh, the output mesh seems only use surface points</div><div>as the tetrahedra nodes, all the points inside the volume are not used to form elements, and there are</div><div>many extra point inserted automatically.</div><div>But what I want to get is a mesh in
which all elements are formed using the points defined in the .geo file,</div><div>and there should be no extra points inserted.</div><div>Could any one help me, please!</div><div><br></div><div>Thanks very much!</div><div> alpher</div></div></body></html>