Integrating flux over internal boundaries might be a common-enough requirement, and nJ isn't defined on them anyway. Rjeb Alaeddine . COMSOL Integrate over arbitrary closed surface in v4.1 Posted 22 giu 2011, 10:42 GMT-7 RF & Microwave Engineering, Results & Visualization Version 4.1 2 Replies Shu-Yi Wang Please login with a confirmed email address before reporting spam. can we compute electrostatic force in COMSOL To this end, COMSOL provides the built-in operator integrate (expression, integration variable, lower bound, upper bound). The expression might be any 1D function, such as sin (x). It is also possible to include additional variables, such as sin (x*y). The second argument specifies over which variable the integral is calculated. KCMPD2AD . Then I tried to create a cut plane and use a boolean expression in the integral, but that didn't work either. Klik HDMI Repeater. COMSOL Average and Integral - COMSOL property of their respective owners, and COMSOL AB and its subsidiaries and products are not affiliated with, endorsed by, sponsored by, or supported by those trademark owners. Integrate an Isosurface - comsol.co.in Klik 2 Port HDMI Splitter. The remarking conclusions and future works are drawn in §4. Klik USB-C Multi Port Adapter, 2 x DP, USB3.0 x 2, LAN, USB-C PD & SD/Micro SD. I tried implementing COMSOL's recommended Lorentz Force calculation, but the numbers it outputted were ridiculous. Fig. Name it whatever and use expression: IntegrateOverA(funct), replacing funct with your desired integrand. COMSOL Multiphysics® designed to compute particle trajectories. One technique I can think of would be to actually perform a volume integral of the divergence of a vector field over the volume enclosed by the surface. The particles The particles can interact with boundaries and their motion can be affected by external fields, Part No. Theoretical Formulations An integrated model for WSSI is developed Integrate You can calculate this work as eight times an integral over the contact surface of a single brake pad. You see that by drawing a, say, cylinder, the volume and area of which are easily calculated analytically.