Home > other >  Share comsol software study notes, super dry!
Share comsol software study notes, super dry!

Time:09-23

1, COMSOL Multiphysics based

A, pretreatment
1, determine the physical model of research, how in comsol geometry modeling; What are modeling technique and matters needing attention; How special geometry modeling; 2, even if their familiar may also appear after the establishment of model error, how to quickly screening out the error reason to in a short period of time adjustment model; 3, LiveLink CAD, LiveLink SolidWorks real-time connection; 4, the convergence of the grid and the grid quality evaluation; Encounter no convergence situation how to adjust; 5, different physical fields of grid how to choose and optimize; Different regional grid refinement technique; The adaptive grid when and how to use;
Second, post-processing
1 and data set processing as well as the selection and application of solving domain data; How can I origin when 2, data and image export drawing in combination with formation of images of the human used to report
Three, to solve the
1, according to different physical fields how to select and optimize the solver; 2, direct solver and iterative solver usage scenarios and methods; 3, the difference between coupling and separate solution and application scenario; 4, the APP development process and how to encapsulate model;
Four, partial differential equation of
1, COMSOL built-in PDE equation, and the function of high order PDE equation and application scenario; 2, how to own equation into coefficient model, generalized type, type weak solution and the solution is done in software; More than 3, the definition of physical variable equation coupled with
Five, mobile grid
1, mobile grid reconstruction method (simplified model particle movement) grid, refactoring strategy choice; How to make the calculation stability; 2, the geometric designs of mobile grid and grid partitioning strategy; 3, the case in field: the mobile space electromagnetism load loading case analysis

2, COMSOL Multiphysics device electrical, thermal, riedel field coupling

One, power semiconductor devices, thermal, fluid mechanics and basic problem analysis
? On electrical device, solid heat transfer, heat transfer and fluid mechanics basic theory analysis
? Heated focus, solid heat transfer, flow structure thermal stress theoretical analysis
? Electric heating, heating power and fluid-structure coupling field design analysis
? Device circuit, hot and reliability requirements analysis
Two, the semiconductor device simulation modeling methods to analyze
? Semiconductor device modeling structure theoretical skills analysis
? The steady state and transient power load loading technique; Size effect of meshing skills
? Thermal management devices and commonly used method to calculate the structural reliability analysis
Three, device modeling accuracy analysis
? The main factors of power component model simulation precision judgment method
? High precision thermal simulation model building techniques, such as initial boundary conditions, simplified physical model, entity model processing multidimensional scale processing
Training content abstract on January 12, 2020,
More than four, electrical, thermal and fluid field coupling case analysis
? Device under steady state power and heat distribution relationship assessment case analysis
? Microfluidic thermal capacity of power device impact assessment case analysis
? Pulse work under the temperature and thermal stress analysis of the case on
? Device reliability influence case analysis in the process of encapsulation
Five, SCI papers writing parsing
? Thermal simulation calculation based on comsol articles (SCI) case, SIC paper innovation thinking and writing skills

3, COMSOL Multiphysics plasma
Mainly geared to the needs of professionals in the field of plasma simulation, by combining theoretical explanation and case analysis, to help students understand how to use COMSOL to dc discharge, discharge capacitive coupling and the inductive coupling discharge, atmospheric pressure, jet discharge atmospheric pressure dielectric barrier discharge and other kinds of discharge process, and involves the fluid flow, the electromagnetic and heat transfer, more physical fields problem such as particle tracking model, calculation and analysis of the results, learning with COMSOL published SCI article mentality and related techniques,

4, COMSOL Multiphysics photoelectric

A, COMSOL in RF, wave optics module theory
1, to solve the electromagnetic field in the COMSOL steps; 2, RF, application field of wave optics module
Two, RF, wave optics module built-in equation derived
Helmholtz equation solving in COMSOL form; Weak RF equation form analytical; Understanding what we can from simulated results (such as the electromagnetic field distribution, the power loss, the transmission and reflection, impedance and quality factor, etc.)
Three, the setting of the boundary conditions and the domain
1, perfect function and use of magnetic conductor and perfect electric conductor scene; 2, impedance boundary condition, excessive boundary conditions of scattering boundary condition, detailed analytical function and setting method of periodic boundary conditions; 3, solving domain conditions: the basic theory of perfectly matched layer and usage scenarios, PML meshing standards; 4, the use of the far field and the background field scene; 5, case teaching
Four, waves set
1, the scattering boundary and port boundary using the method and the technique 2, wave direction and polarization direction set 3, S parameter calculation and extraction of 4, reflectivity and transmissivity and extract 5, frequency domain calculation, time domain calculation; 6, the role of the background field and Settings; 7, 8 periodic structure, case teaching
Five, the material setting and grid set
1, computational simulation of isotropic and anisotropic and nonlinear materials such as metal dielectric and Settings (including Settings) material dispersion; 2, 2 d materials, such as graphene, MoS2 Settings; 3, the special constitutive relation of material simulation (need to modify the built-in weak expression); 4, precise grid standards required for the simulation of electromagnetic field; 5, the optimization of grid; 6, case teaching

5, COMSOL Multiphysics fuel cells, electrochemistry simulation
A, COMSOL fuel cell simulation analysis
1. The fuel cell activation polarization method
2. Mass transfer - conductive - electrochemical - more than heat transfer coupling
3. More field coupling model solving strategy
Instance: operation button battery model, several coupling battery model
Second, connect body study
1. Connecting to the battery and the impact analysis
2. Contact resistance, oxygen dead-zone approach
Instance operation: 2 d battery model
Three, COMSOL lithium battery simulation analysis
1. The lithium battery activation polarization method
2. The electrochemical - thermal coupling method
Example: the lithium battery thermal management model
Four, COMSOL corrosion analysis
1. Storage tank corrosion boundary Settings
2. The mesh division skills
Instance operation: storage tank model
Five, SCI papers writing parsing
1. Based on the simulation calculation of comsol electrochemical articles (SCI) case
2. SIC paper innovation thinking and writing skills
[b] share it here today,

CodePudding user response:

  • Related