315"></a><span class="lineno">  315</span>  <a class="code hl_typedef" href="namespacenetdem.html#a5c327d51108140964f686ec9fd7186b4">MatNd&lt;4, 3&gt;</a> <a class="code hl_function" href="classnetdem_1_1_f_e_m_simulator.html#af8b9e96b01d415c7c767947598eaacf7">GetInternalForces</a>(<a class="code hl_typedef" href="namespacenetdem.html#a12a99007be78b9a11905e371fa21be78">Mat3d</a> <span class="keyword">const</span> &amp;cauchy_stress, <a class="code hl_typedef" href="namespacenetdem.html#a510a89239abc51ed4d8d