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side jet modeling for a missile: 1st order or 2nd order scheme

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Old   March 19, 2014, 02:26
Default side jet modeling for a missile: 1st order or 2nd order scheme
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Arjang Behnoud
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Hi every one

Today side jet is a novel way to guide missile's direction. I'm analyzing this topic by use of Fluent and I want to know that how much difference exist between the results of 1st order approximation modeling and 2nd order modeling.

if the amount of differences is low and negligible, I will able to consider 1st order modeling. (1st order modeling will take short time in comparison to 2nd order modeling)

can any body help?

best Regards'
Arjang
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Old   March 19, 2014, 05:39
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Quote:
Originally Posted by AmirBaqa1987 View Post
Hi every one

Today side jet is a novel way to guide missile's direction. I'm analyzing this topic by use of Fluent and I want to know that how much difference exist between the results of 1st order approximation modeling and 2nd order modeling.

if the amount of differences is low and negligible, I will able to consider 1st order modeling. (1st order modeling will take short time in comparison to 2nd order modeling)

can any body help?

best Regards'
Arjang
1st order scheme will introduce significant error. It may more than 100% error in prediction
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