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DEFORM V14.0.2 Manual

UNIT

(Simulation control)
Last updated on : 08-08-2013

UNIT UnitType


OPERAND DESCRIPTION DEFAULT
UnitType Unit system for DEFORM default values = 1 SI units = 2 British units 1

DEFINITION

UNIT specifies the unit system for DEFORM default values.

REMARKS

Any system of units can be used in DEFORM as long as all unit specific variables are consistent. The SI and British unit conventions used for all unit specific DEFORM variables are listed below. Applicable simulation types: Isothermal Deformation Heat Transfer Non-Isothermal Deformation

Variable SI Unit British Unit Conversion Factor SI / Factor = British
Time second second 1.0
Length mm in 25.4
Area mm2 in2 6.4516 x 102
Volume mm3 in3 1.6387 x 104
Force N klbf ?
Mechanical Energy N-mm klbf-in 1.13 x 105
Stress Mpa ksi 6.8918
Heat Energy N-mm Btu 1.055 x 106
Temperature C F C = (F-31)/1.8
Conductivity N/sec/C Btu/sec/in/F 7.4764 x 104
Heat Flux N/mm/sec Btu/in2 ?
Heat Capacity N/mm2/C Btu/in3/F 1.1589 x 102
Radiation Coefficient N/sec/mm/K4 Btu/sec/in2/F 1.3182 x 104
Convection Coefficient N/sec/mm/C Btu/sec/in2/F 2.943 x 103
Interface Heat Transfer Coefficient N/sec/mm/C Btu/sec/in2/F 2.943 x 103

Simulation Controls: Main Controls, Material Data: Unit Converter