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02-10-2016 02:07 PM

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02-10-2016 02:28 PM

Hello!,

If you plan to work in milimeters & force in Newtons (this is the way I do in general) the mass comes in Tons, then density units should be defined in Tons/mm3 (simply multiply the density value in Kg/m3 by factor of 1e-12), pressure & stress is in MPa.

Best regards,

Blas.

Blas Molero Hidalgo, Ingeniero Industrial, Director

IBERISA • 48004 BILBAO (SPAIN)

WEB: http://www.iberisa.com

Blog Femap-NX Nastran: http://iberisa.wordpress.com/

IBERISA • 48004 BILBAO (SPAIN)

WEB: http://www.iberisa.com

Blog Femap-NX Nastran: http://iberisa.wordpress.com/

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02-10-2016 02:36 PM

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02-10-2016 02:39 PM

Not at all, you can work perfectly in mm, this is simply related with mass: to be consistent in dynamic asnalysis the mass is in Tons (not in kg), and then the density should be defined in Tons/mm3, OK?.

Best regards,

Blas.

Blas Molero Hidalgo, Ingeniero Industrial, Director

IBERISA • 48004 BILBAO (SPAIN)

WEB: http://www.iberisa.com

Blog Femap-NX Nastran: http://iberisa.wordpress.com/

IBERISA • 48004 BILBAO (SPAIN)

WEB: http://www.iberisa.com

Blog Femap-NX Nastran: http://iberisa.wordpress.com/

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02-10-2016 04:32 PM

many thanks Blas!

just to ask you , is this acceralation(98m/s2) to much for this construction?

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