******* Systems ******* =============== Original system =============== Original system imported from ANSYS. Change the name of the system here. Physics type shows if it is a mechanical or thermal system. ---------- Properties ---------- Number of DOFs: Number of independent movements, which describe the system. A rigid body has 6 degrees of freedom (Translation in x-,y- and z-direction, rotation around the x-,y- and z-axis). ============== Reduced system ============== Reduced system of the original one. Change the name of the system here. A * in front of the systems name indicates that the system is not up-to-date and needs to be updated. The calculation can be done without an up-to-date system. Physics type shows if it is a mechanical or thermal system. ---------- Properties ---------- Number of DOFs: Number of independent movements, which describe the system. A rigid body has 6 degrees of freedom (Translation in x-,y- and z-direction, rotation around the x-,y- and z-axis). For the reduced system, there should be a smaller number of DOFs compared to the original system. -------------------------- Model reduction parameters -------------------------- Two modes can be selected: ^^^^^^^^^^^^^^^^ Error limit mode ^^^^^^^^^^^^^^^^ This is the default mode. The following settings can be chosen. =========================== ============================================================================================================================================================================ Property Definition =========================== ============================================================================================================================================================================ Frequency range of interest Under this frequency the relative error does not exceed the maximum relative error. Maximum relative error The number of considerate modes is selected so that the maximum error is not exceeded in the frequency range of interest. This is calculated by menas of an error estimator. Guessed number of modes Guess the number of modes to be considered. Maximum number of modes Limit the modes to be included in the reduced system. Stiffness scaling Stiffness proportional damping coefficient, multiplies stiffness matrix. Mass scaling Mass proportional damping coefficient, multiplies mass matrix. =========================== ============================================================================================================================================================================ ^^^^^^^^^^^ Manual mode ^^^^^^^^^^^ This is the advanced mode. The following settings can be chosen. ======================= ================================================================================================ Property Definition ======================= ================================================================================================ Maximum eigenfrequency Frequency of the last mode included in the reduced system. Maximum relative error Maximum relative error between the reduced and original system according to the error estimator. Maximum number of modes Maximum number of modes included in the reduced system. Expansion point Expansion points for the Krylov approximation. Stiffness scaling Stiffness proportional damping coefficient, multiplies stiffness matrix. Mass scaling Mass proportional damping coefficient, multiplies mass matrix. Numerical tolerance Used for the orthogonalization vectors and eigenvalue problem. ======================= ================================================================================================ ============ Rigid system ============ Rigid system of the original one. Change the name of the system here. Physics type shows if it is a mechanical or thermal system. ---------- Properties ---------- Number of DOFs: Number of independent movements, which describe the system. A rigid body has 6 degrees of freedom (Translation in x-,y- and z-direction, rotation around the x-,y- and z-axis). ====================== Reduced-coupled system ====================== Reduced-coupled system of the original one. Change the name of the system here. Physics type shows if it is a mechanical or thermal system. ---------- Properties ---------- Number of DOFs: Number of independent movements, which describe the system. A rigid body has 6 degrees of freedom (Translation in x-,y- and z-direction, rotation around the x-,y- and z-axis). --------------- Model reduction --------------- Select a thermal reduced system which should be coupled with a reduced mechanical system. Only for static analysis, no dynamic results will be calculated. =============================================================== Right click on original/rigid/reduced or reduced-coupled system =============================================================== ------ Delete ------ Delete the system. --------------------- Set as default system --------------------- Set the system as default system. The calculations are performed with this system -------------- Modal analysis -------------- Start a modal analysis of the system. ============ Context menu ============ ---------- Add system ---------- Add a rigid, a reduced or a reduced-coupled system. ------------------ Update all systems ------------------ Update all the systems in the component. A * in front of the systems name indicates that the system is not up-to-date and needs to be updated. The calculation can be done without an up-to-date system.