Electrical Transients Ansys Maxwell/Hfss

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SUMMARY

This discussion focuses on simulating electrical transients using Ansys Maxwell and HFSS, specifically for a 3D model of a car hood designed in CATIA V5. The user successfully imported the model as a .stp file and confirmed that the model analysis status is 'good'. However, they encountered issues with intersecting objects after assigning materials and excitations, leading to errors during analysis. The user seeks guidance on simulating transients, particularly in the context of lightning effects on vehicles, and is looking for tutorials and advice on avoiding intersecting objects.

PREREQUISITES
  • Familiarity with Ansys Maxwell and HFSS software
  • Understanding of 3D modeling in CATIA V5
  • Knowledge of electrical transient simulations
  • Basic concepts of material assignment and boundary conditions in simulation software
NEXT STEPS
  • Research methods to avoid intersecting objects in Ansys Maxwell
  • Learn about assigning excitations and boundary conditions in HFSS
  • Explore tutorials on simulating electrical transients and lightning effects in Ansys software
  • Investigate the use of sketch lines and their implications in 3D simulations
USEFUL FOR

This discussion is beneficial for electrical engineers, simulation specialists, and automotive designers interested in transient analysis and electromagnetic simulations using Ansys Maxwell and HFSS.

michael pranit
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I am new to both Ansoft Maxwell and HFSS and attempting to simulate transients on a 3d structure. I have a structure (hood of a car) designed in catia V5. I have imported the file into maxwell as .stp file. The Model analysis status verifies 'good' for all the parts. The 3d modeler window now reads the structure as Solids and lines, solids being the metal parts of the hood and lines (i'm not sure).
I assigned the solids to steel, and received the message: 'solve inside' for object 'partbody-1' is set, due to material assignment change.
The solution type I need is electric transient, I have current in my other calculations as 200A, 100Hz. I couldn't find much tutorials on transients and electrostatics. Could anyone please guide me as to what steps I need to follow to simulate the transients. Any suggestion/advice or pointers to tutorials will be really helpful.
 
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Intersecting objects and sketch lines

I am attempting to study transients like lightning on vehicles. I am very new to Maxwell and HFSS, I found that intersecting objects must be avoided to maintain structural integrity. I found the following document:
http://wenku.baidu.com/view/7e5b9b1fb7360b4c2e3f64ab

I have imported my model from catia (V5) in the .stp extension. The Model Analysis reads 'good' but after assigning excitations, materials, boundary conditions etc and run the analysis, I receive an error message on the message window stating the objects are intersecting. But I'm not able to merge the individual objects. Also I do not know what to do with the sketch lines that have been imported along with the objects.

I am now snooping through the Ansys resource library for any documents on the topic.This is as far as I have got.
 

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