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In fact, I calculate natural frequencies of a pump to know if theses frequencies are near to the rotation velocity. And I believe that : if a mode is near to the rotation frequency but it has a effectiv mass very low, it is not a problem because in reality, this mode will not be important. Is...

Hi, I have a simple question: After I had realised a frequency analysis to calculate natural frequency of my model, I calculate effective mass and inertia. I just want to know what is the physical sense of these values. Moreover, if a mode has a very low effective mass and inertia, is it mean...

Hi Chaabain, I'm not sure but I think that it's possible to apply a force on just a face or an edge. jérôme

thanks alex I'm a new user of Ansys and there are a lot of commands and options. It's not very easy... thanks again

if you want to try to mapped the body, I join code filehttp://files.engineering.com/getfile.aspx?folder=9b760947-c7dc-4bec-8503-e27ca74d1a57&file=geometry.txt

Hi, I'm not an expert but I don't understand the difference between a permanent and a transcient dynamic analysis? Why don't you use a permanent analysis with ansys classic?

No, my body isn't meshed. I create my geometry and that's all. It's strange because I can mapped my body using Workbench but when I want to mapped using Ansys classic, there is an error.

Hi every body, i have a simple problem and I need your help. I have a part with a simple shape: it consists of differents volume with cubic shape. But when I want to mesh my body using "mapped" option, Ansys write an error; He tells me that my body can't be mesh with this option. I don't know...

hi, I'm working too on a contact's problem. When the analysis don't converge, you can modify the stiffness of the contact (in the differents options of the contact) good luck

I ask a new question: In fact, I want to know if the normal stiffness is proportional to the apply load? and is there any calculation to know approximately the value of this parameter ? (because in Ansys help, we don't know how this value is used in the resolution). (I used contacts with...

Hello, I'm a new user of this forum and I write this message because I don't use correctly contact in my Ansys analyse. Indeed, I want to study the effects of thermal expansion of a first part on a second part. Initially, there is a gap between the two parts. The problem is that I don't...