UNITS.pdf

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06/10/13 UNITS www.altairhyperworks.com/hwhelp/Altair/hw12.0/help/hwsolvers/units_io.htm?toc=0&printWindow 1/2 HyperWorks Solvers UNITS I/O Options Entry UNITS - Unit System for the Model Description The UNITS c ommand can be used in the I/O Options section to define a system of units for the model. Format UNITS = system Argument Options Description system <SI, CGS, MPA, BG > No default SI : International system of units. Length: meter = m Mass: kilogram = kg Time: second = s Temperature: Kelvin = K Pressure - Pa CGS : Centimeter-gram-second system of units. Length: centimeter = cm Mass: gram = g Time: second = s Temperature: Kelvin = K Pressure = barye = 0.1 Pa MPA : Mega-Pascal system of units. Length: millimeter = mm Mass: tonne = tonne Time: second = s Temperature: Kelvin = K Pressure - MPa BG : British Gravitational system of units. Length: feet = ft Mass: slug = slug Time: second = s Temperature: Rankine = R Pressure = Ibf/ft 2 Comments 1. Only one instance of this card is supported. If multiple instances are defined, the last occurrence will be used.

description

UNITS

Transcript of UNITS.pdf

Page 1: UNITS.pdf

06/10/13 UNITS

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HyperWorks Solvers

UNITS

I/O Options Entry

UNITS - Unit System for the Model

Description

The UNITS command can be used in the I/O Options section to define a system of units for the

model.

Format

UNITS = system

Argument Options Description

system <SI, CGS, MPA,

BG>

No default

SI: International system of units.

Length: meter = m

Mass: kilogram = kg

Time: second = s

Temperature: Kelvin = K

Pressure - Pa

CGS: Centimeter-gram-second system of units.

Length: centimeter = cm

Mass: gram = g

Time: second = s

Temperature: Kelvin = K

Pressure = barye = 0.1 Pa

MPA: Mega-Pascal system of units.

Length: millimeter = mm

Mass: tonne = tonne

Time: second = s

Temperature: Kelvin = K

Pressure - MPa

BG: British Gravitational system of units.

Length: feet = ft

Mass: slug = slug

Time: second = s

Temperature: Rankine = R

Pressure = Ibf/ft2

Comments

1. Only one instance of this card is supported. If multiple instances are defined, the lastoccurrence will be used.

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2. This UNITS data entry is the same as the DTI,UNITS entry.

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