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Challenge

Week - 1 - Consistency of Units

BBhoomireddy Narasimha Reddy23 Sept 2021
LS-DYNA

Aim:

The aim of the challenge is to convert the SI unit systems of the given quantities with all the different types of parameters and also to tabulate

the unit system for all the different types of unit systems.

Objective:

The goal of this challenge is to convert the given quantity values for multiple units systems and Also, build a table so that it may be

utilised frequently without any problems in the future while executing the difficulties of LS dyna why because LS Dyna doesn't have a default system

of units.So we'll be able to utilise this table to tackle difficulties while doing the other challenges.

Procedure:

System of Units:

A system of units is a set of related units that are used for calculations. For example, in the MKS system, the base units are the

meter, kilogram, and second, which represent the basic dimensions of length, mass, and time, respectively. In this system, the unit of speed is the

meter per second.

1 Kilogram = 1000 grams = 0.001 tonne = 0.068 slug
1 meter = 1000 millimeters = 100 centimeters = 3.28 feets
1 second = 1000 milliseconds = 10 microseconds

The parameters to which different units to be assigned are:

  • Mass = 1kg
  • Length = 1m
  • Time = 1s
  • Force = 1N
  • Stress = 1 Pa
  • Energy = 1 Nm
  • Density = 1 Kg/m
  • Young’s Modulus = 210 GPa
  • Velocity = 56.33 kmph
  • Gravity = 9.88 m/s

The units in which the different parameters are to be converted are as follows:

  • Kg cm ms
  • Kg cm s
  • gm mm ms
  • kg m s
  • g cm s
  • g cm us
  • g mm s
  • ton mm s
  • slug ft s
  • kg mm s
  • g cm ms
  • kg mm ms

1.Conversion of SI unit to kg cm ms :

Mass = 1 kg
1 kg

Length = 1m
100 cm

Time = 1 sec
1000 ms

  • Force = 1 N

F = mass* acceleration

= 1 kg * 1m/s^2

= (1 kg*100cm)/(1000ms)^2

= 10^-4 (kg*cm)/ms^2

Conversion factor = 10^-4

  • Stress=1Mpa

1Pa=1N/m^2

As from the above derived 1N = 10^-1 (kg cm)/ms^2

={10^-1 (kg cm/ms^2 )} / (100 cm^2 )

= 10^-8 kg/cm ms^2

Conversion factor = 10^-3 kg/cm*ms^2

  • Energy = 1 Nm

1N *1 m

{10^-4 kg cm/ms^2 } * 100 cm

10^-2 kg cm^2 /ms^2

10^-2 kg cm^2 /ms^2

Conversion factor = 10^-2

  • Density = 1Kg/m^3

1 kg / (100 cm)^3

1 kg/1000000 cm^3

10^-6 kg/cm^3

Conversion factor = 10^-6

  • Young’s Modulus = 210 GPa

1 Pa = 10^-3 kg/cm*ms^2

1 GPa = 10^9 * 10^-3 kg/cm*ms^2

210 GPa = 210 * 10^6 kg/cm*ms^2

Conversion factor = 10^6

  • Velocity = 56.33 Kmph

Km/h

1Km = 10000 cm = 10^4 cm

1 hr = 60min*60sec*1000

= 3600000

= 36*10^5 ms

1 kmph = (10^4 )/(36*10^5 )

= 0.00277 cm/ms

56.33 kmph = 56.33 * 0.00277 cm/ms

= 0.1560 cm/ms

Gravity = 9.88 m/s^2

1 m/s2 = 100 cm/(1000ms)^2

= 10^-4 cm/ms^2

9.8 m/s2 = 9.8*10^-4 cm/ms^2

Conversion Factor = 10^-4

2.Conversion of SI unit to kg cm s :

Mass = 1 kg
1 kg

Length = 1m
100 cm

Time = 1 sec
1000 ms

  • Force = 1 N

F = mass* acceleration

= 1 kg * 1m/s^2

= (1 kg*100cm)/(1s)^2

= 10 (kg*cm)/s^2

Conversion factor = 10

  • Stress=1Mpa

1Pa=1N/m^2

As from the above derived 1N = 10^-1 (kg cm)/s^2

={10^-1 (kg cm/s^2 )} / (100 cm^2 )

= 10^-8 kg/cm s^2

Conversion factor = 10^-3 kg/cm*s^2

  • Energy = 1 Nm

1N *1 m

100 kg cm/s^2 *100cm

10^4 kg cm^2 /s^2

Conversion factor = 10^4

  • Density = 1Kg/m^3

1 kg / (100 cm)^3

1 kg/10000 cm^3

10^-4 kg/cm^3

Conversion factor = 10^-4

  • Young’s Modulus = 210 GPa

1 Pa = 10^-2 kg/cm*s^2

1 GPa = 10^9 * 10^-2 kg/cm*s^2

210 GPa = 210 * 10^7 kg/cm*s^2

Conversion factor = 10^7

  • Velocity = 56.33 Kmph

Km/h

1Km = 10000 cm = 10^4 cm

1 hr = 60min*60sec

= 3600

= 3600 s

1 kmph = (10^4 )/(3600 )

= 2.77 cm/s

56.33 kmph = 56.33 * 2.77 cm/s

= 156.03 cm/s

  • Gravity = 9.88 m/s^2

1 m/s2 = 100 cm/(1s)^2

= 100cm/s^2

9.8 m/s2 = 9.8*10^0 cm/s^2

Conversion Factor = 100

3.Conversion of SI unit to gm mm ms:

Mass = 1 kg
1000gm

Length = 1m
1000 mm

Time = 1 sec
1000 ms

  • Force = 1 N

F =mass* acceleration

= 1 kg * 1m/s^2

= (1000gm*1000mm)/(1000ms)^2

= 1 (gm*mm)/ms^2

  • Stress = 1 Pa

1 Pa => 1N/m^2

As from the above derived 1N = 1(gm*mm/ms^2)

=> {1 (gm*mm/ms^2)} / (1000mm^2)

=> 1*10^-6 gm/mm*ms^2

  • Energy = 1 Nm

1N *1 m

{1 gm*mm/ms^2} * 1000 mm

1000 gm*mm^2/ms^2

10^3 gm mm^2/ms^2

Conversion factor = 10^3

  • Density = 1Kg/m^3

1000 gm / (1000 mm)^3

1 gm/1000000 mm^3

10^-6 gm/mm^3

Conversion factor = 10^-6

  • Young’s Modulus = 210 GPa

1 Pa = 10^-6 gm/mm ms

1 GPa = 10 * 10 gm/mm ms

210 GPa = 210 * 10 gm/mm ms

Conversion factor = 10

  • Velocity = 56.33 Kmph

Km/h

1Km = 1000000 mm = 10 mm

1 hr = 60min*60sec*1000

= 3600000

= 36*10 ms

1 kmph

=> (10 )/(36*10 )

=> 0.277 mm/ms

56.33 kmph =

=> 56.33 * 0.277 mm/ms

=> 15.60 mm/ms

  • Gravity = 9.88 m/s^2

1 m/s2 = 1000mm/(1000ms2)

= 10 -3 mm/ms2

9.8 m/s2 = 9.8*10-3 mm/ms2

Conversion Factor = 10-3 mm/ms2

4.Conversion of SI unit to kg m s:

Mass = 1 kg

1 kg

Length = 1m

1 m

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1 kg * 1m/s^2

=(1 kg*1m)/(1s)^2

=1 kg m/s^2

Conversion factor = 100

  • Stress = 1 Pa

1 Pa => 1N/m^2

As from the above derived 1N = 1 kg m/s^2

=(1 kg m/s^2 ) / (1 m)^2

=1 kg/m s^2

Conversion factor = 1

  • Energy = 1 Nm

1N *1 m

1 kg m/s^2 * 1 m

1 kg m^2 /s^2

Conversion factor = 1

  • Density = 1Kg/m^3

1 kg / (1 m)^3

1 kg/1 m^3

10 kg/m^3

Conversion factor = 10

  • Young’s Modulus = 210 GPa

1 Pa = 1 kg/m s^2

1 GPa = 10^9 * 1 kg/m s^2

210 GPa = 210 * 10^9 kg/m s^2

Conversion factor = 10^9

  • Velocity = 56.33 Kmph

Km/h

1Km = 1000 m = 10^3 m

1 hr = 60min*60sec

= 3600 s

1 kmph=(10^3)/(3600)

=0.277 m/s

56.33 kmph = 56.33 * 0.277 m/s

= 15.603 m/s

Conversion factor = 0.277

  • Gravity = 9.88 m/s^2

1 m/s2 = 1 m/(1s)^2

= 1 m/s^2

9.8 m/s2 = 9.8*1 m/s^2

Conversion Factor = 1

5.Conversion of SI unit to g cm s :

Mass = 1 kg

1000gm

Length = 1m

100 cm

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1000g*1m/s^2

=1000g*100cm/s^2

=10^5 gm*cm/s^2

Conversion Factor = 10^5

  • Stress=1Pa

1Pa=1N/m^2

=10^5g*cm/s^2

=10^5g*cm/s^2/(100cm)^2

=10g/cm*s^2

Conversion Factor = 10g/cm*s^2

  • Energy=1N*m

=1N*1M

=10^5g*cm/s^2*100cm

=10^7g*cm^2/s^2

Conversion Factor = 10^7g*cm^2/s^2

  • Density=1kg/m^3

=1000g/(100cm)^3

=1000g/1000000cm^3

=10^-3 g/cm^3

Conversion Factor = 10^-3 g/cm^3

  • Young's Modulus =210Gpa

1Pa=10g/cm*s^2

1Gpa=10^9*10 g/cm*s^2

210Gpa=210*10^10 g/cm*s^2

Conversion Factor = 10^10

  • Velocity=56.33

km/hr

1km=1000cm=10^4 cm

1hr=60*60=3600s

1 kmphr=10^4*3600=2.77 cm/sec

56.33 kmph=56.33*2.77

=156.03cm/s

  • Gravity=9.88m/s^2

1m/s^2=100cm/s^2

9.88m/s^2=9.88*100cm/S^2

Conversion Factor = 100

6.Conversion of SI unit to g cm us :

Mass = 1 kg

1000gm

Length = 1m

100 cm

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1000g*100cm/(10^6 us)^2

=1000g*100cm/(10^6us)^2

=10^-1 g*cm/us^2

Conversion Factor = 10^-1

  • Stress=1Pa

1Pa=1N/m^2

=10^-1g*cm/us^2

=10^-1g*cm/us^2/(100cm)^2

=10^-3g/cm*us^2

Conversion Factor = 10^-3

  • Energy=1N*m

=1N*1M

=10^-1g*cm/us^2*100cm

=10g*cm^2/us^2

Conversion Factor = 10g*cm^2/us^2

  • Density=1kg/m^3

=1000g/(100cm)^3

=1000g/1000000cm^3

=10^-3 g/cm^3

Conversion Factor = 10^-3 g/cm^3

  • Young's Modulus =210Gpa

1Pa=10^-3g/cm*us^2

1Gpa=10^9*10^-3 g/cm*us^2

210Gpa=210*10^6 g/cm*us^2

Conversion Factor = 210*10^6 g/cm*us^2

  • Velocity=56.33

km/hr

1km=1000cm=10^4 cm

1hr=60*60=3600 s*10^6 us=36*10^8 us

1 kmphr=10^4*36*10^8=0.00000278 cm/sec

56.33 kmph=56.33*0.00000278

=0.0000156cm/s

  • Gravity=9.88m/s^2

1m/s^2=100cm/(10^6us)^2=100 cm/10^12 us^2

9.88m/s^2=9.88*10^-10 cm/us^2

Conversion Factor = 10^-10

7.Conversion of SI unit to g mm s :

Mass = 1 kg

1000gm

Length = 1m

1000 mm

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1000 g *1m/s^2

=(1000g*1000mm)/s^2

=10^6 g*mm/s^2

Conversion Factor = 10^6

  • Stress=1MPa

1Pa=1N/M^2

=10^6 g*mm/S^2

=(10^6 g*mm/s^2)/(1000mm)^2

=1 g*mm/s^2

Conversion Factor = 1 g*mm/s^2

  • Energy=1N*m

=1N*1M

=10^6 g*mm/s^2 *1000 mm

=10^9 g mm^2/ sec^2

Conversion Factor = 10^9

  • Density=1kg/m^3

=1000g/(1000mm)^3

=1000g/(1000000000mm^3)

=10^-6 g/mm^3

Conversion Factor = 10^-6

  • Young's Modulus=210GPa

1Pa=1g/mm*s^2

1GPa=10^9*1 g/mm*s^2

210Gpa=210*10^9 g/mm*s^2

Conversion Factor = 10^9

  • Velocity=56.33 kmph

km/hr

1 km=1000000=10^6 mm

1 hr=60*60=3600 s

1kmph=10^6/3600=277.7mm/s

56.33 kmph=56.33*277.7=15603 mm/sec

  • Gravity=9.88m/s^2

1m/s^2=1000 mm/S^2

9.8m/s^2=9.8*1000 mm/s^2

Conversion Factor = 10^3

8.Conversion of SI unit to ton mm ms :

Mass = 1 kg

0.001 ton

Length = 1m

1000 mm

Time = 1 sec

1000 ms

  • Force = 1 N

F =mass* acceleration

=0.001 ton*1 m/s^2

=(0.001 ton*1000 mm)/(1000 ms)^2

=10^-6 ton*mm/ms^2

Conversion Factor = 10^-6

  • Stress=1Pa

1Pa=1 N/m^2

1N=10^-6 ton * mm/ms^2

={10^-6(ton*mm/ms^2}/(1000 mm^2)

=10^-12 ton*mm/ms^2

Conversion Factor = 10^-12

  • Energy=1 N.m

1N*1m={10^-6(ton*mm)/ms^2}*1000 mm

=10^-3 ton*mm^2/ms^2

Conversion Factor = 10^-3 ton*mm^2/ms^2

  • Density=1kg/m^3

=0.01 ton/(1000mm)^3

=0.01 ton/1000000000 mm^3

=10^-12 ton/mm^3

Conversion Factor = 10^-12 ton/mm^3

  • Young's Modulus=210 GPa

1 Pa = 10^-12 ton/mm*ms^2

1 GPa = 10^9 * 10^-12 ton/mm*ms^2

210 GPa= 210*10^-3 ton/mm*ms^2

Conversion Factor = 10^-3

  • Velocity=56.33 kmph

1km=1000000=10^6 mm

1 hr=60*60*1000=3600000=36*10^5 ms

1 kmph=10^6/3.6*10^5= 0.277 mm/ms

56.33 kmph=56.33*0.277=15.60 mm/ms

  • Gravity=9.88m/s^2

1 m/s^2=1000 mm/(1000ms)^2

=10^-3 mm/ms^2

9.8 m/s^2 = 9.88*10^-3 mm/ ms^2

Conversion Factor = 10^-3

9.Conversion of SI unit to slug ft s :

Mass = 1 kg

0.068 slug

Length = 1m

3.28 ft

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1 kg* 1m/s^2

=(0.068 slug*3.28 ft)/(1s)^2

=0.22 slug/ft^2

Conversion Factor = 0.22

Stress=1MPa

1 Pa=1N/m^2

As from the above derived 1N = 0.22 slug ft/s^2

=0.22 slug/ft^2/(3.28 ft)^2

=0.0205 slug/ft s^2

Conversion Factor = 0.0205

Energy=1Nm

=1N*1m

=22 slug ft/s^2/(3.28ft)^2

=72.16 slug ft^2/s^2

Conversion Factor = 72.16

  • Density=1kg/m^3

=0.068 slug/(3.28ft)^3

=0.068 slug/35.29 ft^3

=0.0019 slug/ft^3

Conversion Factor = 0.0019

  • Young's Modulus=210 GPa

1 Pa = 0.0205 slug/ft s^2

1 GPa = 10^9* 0.0205 slug/ft s^2

210 GPa= 210* 10^9* 0.0205 slug/ft s^2

=4.305*10^9 slug/ft s^2

Conversion Factor = 4.305*10^9 slug/ft s^2

  • Velocity=56.33 kmph

1km=1000m=10^3 m=10^3 *3.28 ft

1 hr=60*60=3600 s

1 kmph=3.28ft*10^3 * 3600=0.911 ft/s

56.33 kmph=56.33*0.911 ft/s=51.316 ft/s

  • Gravity=9.88m/s^2

1 m/s^2=3.28 ft/1s^2

=3.28 ft/s^2

9.8 m/s^2 = 9.8*3.28 ft/s^2=32.14 ft/s^2

Conversion Factor = 32.14 ft/s^2

10.Conversion of SI unit to kg mm s :

Mass = 1 kg

1 kg

Length = 1m

1000 mm

Time = 1 sec

1 s

  • Force = 1 N

F =mass* acceleration

=1 kg* 1m/s^2

=(1 kg * 1000 mm)/1s^2

=1000 kg mm/s^2

Conversion Factor = 1000

Stress=1MPa

1 Pa=1N/m^2

As from the above derived 1N = 1000 kg mm/s^2

=1000 kg mm/s^2 /(1000 mm)^2

=10-3 kg/mm s^2

Conversion Factor = 10^-3

Energy=1Nm

=1N*1m

=1000 kg mm/s^2 *1000 mm

=10^6 kg mm^2/s^2

Conversion Factor = 10^6

  • Density=1kg/m^3

=1 kg/(1000 mm)^3

=1 kg/1000000000 mm^3

=10^-9 kg/mm^3

Conversion Factor = 10^-9

  • Young's Modulus=210 GPa

1 Pa = 10^-3 kg/mm s^2

1 GPa = 10^9 * 10^-3 kg/mm s^2

210 GPa= 210*10^6 kg/mm s^2

Conversion Factor = 10^6

  • Velocity=56.33 kmph

1km=1000000=10^6 mm

1 hr=60*60=3600 s

1 kmph=10^6/3600= 277.78 mm/sec

56.33 kmph=56.33*277.78=15603 mm/sec

  • Gravity=9.88m/s^2

1 m/s^2=1000 mm/(1s)^2

=1000 mm/s^2

9.8 m/s^2 = 9.8*1000 mm/s^2

Conversion Factor = 10^3

11.Conversion of SI unit to g cm ms :

Mass = 1 kg

1000 gm

Length = 1m

100 cm

Time = 1 sec

1000 ms

  • Force = 1 N

F =mass* acceleration

=1000 g* 1m/s^2

=(1000 g *100 cm)/(1000 ms)^2

=10^-1 g cm/ms^2

Conversion Factor = 10^-1

Stress=1MPa

1 Pa=1N/m^2

As from the above derived 1N = 10^-1 g cm/ms^2

=10^-1 g cm/ms^2 /(100 cm)^2

=10^-3 g cm/ms^2

Conversion Factor = 10^-3

Energy=1Nm

=1N*1m

=10^-1 g cm/ms^2 *100 cm

=10 g cm^2/ms^2

Conversion Factor = 10

  • Density=1kg/m^3

=1000 g/(100cm)^3

=1000 g/1000000 cm^3

=10^-3 g/cm^3

Conversion Factor = 10^-3

  • Young's Modulus=210 GPa

1 Pa = 10^-3 g/cm ms^2

1 GPa = 10^9 *10^-3 g/cm ms^2

210 GPa= 210*10^6 g/cm ms^2

Conversion Factor = 10^6

  • Velocity=56.33 kmph

1km=10000=10^4 cm

1 hr=60*60*1000=3600000=36*10^5 ms

1 kmph=10^4/36*10^5= 0.0277 cm/ms

56.33 kmph=56.33*0.0277=1.560 cm/ms

  • Gravity=9.88m/s^2

1 m/s^2=100 cm/(1000 ms)^2

=10^-4 cm/ms^2

9.8 m/s^2 = 9.8*10^-4 cm/ms^2

Conversion Factor = 10-4

12.Conversion of SI unit to kg mm ms :

Mass = 1 kg

1 kg

Length = 1m

1000 mm

Time = 1 sec

1000 ms

  • Force = 1 N

F =mass* acceleration

=1 kg* 1m/s^2

=(1 kg*1000mm)/(1000 ms)^2

=10^-3 kg mm/ms^2

Conversion Factor = 10^-3

Stress=1MPa

1 Pa=1N/m^2

As from the above derived 1N = 10^-3 kg mm/ms^2

={10^-3 kg mm/ms^2}/(1000 mm)^2

=10^-9 kg/mm ms^2

Conversion Factor = 10^-9 kg/mm ms^2

Energy=1Nm

=1N*1m

={10^-3 kg mm/ms^2}*(1000 mm)

=1 kg mm^2/ms^2

Conversion Factor = 1 kg mm^2/ms^2

  • Density=1kg/m^3

=1 kg/(1000 mm)^3

=1 kg/1000000000 mm^3

=10^-9 kg/mm^3

Conversion Factor = 10^-9

  • Young's Modulus=210 GPa

1 Pa = 10^-9 kg/mm ms^2

1 GPa = 10^ 9*10^-9 kg/mm ms^2

210 GPa= 210*1 kg/mm ms^2

Conversion Factor = 1

  • Velocity=56.33 kmph

1km=1000000=10^6 mm

1 hr=60*60*1000=3600000=36*10^5 ms

1 kmph=10^6/3.6*10^5= 0.277 mm/ms

56.33 kmph=56.33*0.277=15.60 mm/ms

  • Gravity=9.88m/s^2

1 m/s^2=1000 mm/(1000 ms)^2

=10^-3 mm/ms^2

9.8 m/s^2 = 9.8*10^-3 kg/mm ms^2

Conversion Factor = 10^-3

CONCLUSION:

UNIT MASS LENGTH TIME FORCE STRESS ENERGY DENSITY

YOUNG'S

MODULUS

VELOCITY

56.33 KMPH

 GRAVITY
Kg cm ms 1 kg 100 cm 1000 ms 10^-4 (kg*cm)/ms^2 10^-8 kg/cm ms^2 10^-2 kg cm^2 /ms^2 10^-6 kg/cm^3 210 * 10^6 kg/cm*ms^2 0.1560 cm/ms 9.8*10^-4 cm/ms^2
Kg cm s 1 kg 100 cm 1 s 10 (kg*cm)/s^2 10^-8 kg/cm s^2 10^4 kg cm^2 /s^2 10^-4 kg/cm^3 210 * 10^7 kg/cm*s^2 156.03 cm/s 9.8*10^0 cm/s^2
gm mm ms 1000 gm 1000 mm 1000 ms 1 (gm*mm)/ms^2 1*10^-6 gm/mm*ms^2 10^3 gm mm^2/ms^2
10^-6 gm/mm^3		 210 * 10 gm/mm ms 15.60 mm/ms 9.8*10-3 mm/ms2
kg m s 1 kg 1 m 1 s 1 kg m/s^2 1 kg/m s^2 1 kg m^2 /s^2 10 kg/m^3 210 * 10^9 kg/m s^2 15.603 m/s 9.8*1 m/s^2
g cm s 1000 gm 100 cm 1 s 10^5 gm*cm/s^2 10g/cm*s^2 10^7g*cm^2/s^2 10^-3 g/cm^3 210*10^10 g/cm*s^2 156.03cm/s 9.88*100cm/S^2
g cm us 1000 gm 100 cm 10^6 us 10^-1 g*cm/us^2 10^-3g/cm*us^2 10g*cm^2/us^2 10^-3 g/cm^3 210*10^6 g/cm*us^2 0.0000156cm/s 9.88*10^-10 cm/us^2
g mm s 1000 gm 1 s 10^6 g*mm/s^2 1 g*mm/s^2 10^9 g mm^2/ sec^2 10^-6 g/mm^3 210*10^9 g/mm*s^2 15603 mm/sec 9.8*1000 mm/s^2
ton mm s 10^-3 ton 1000 mm 1 s 10^-6 ton*mm/ms^2 10^-12 ton*mm/ms^2 10^-3 ton*mm^2/ms^2 10^-12 ton/mm^3 210*10^-3 ton/mm*ms^2 15.60 mm/ms 9.88*10^-3 mm/ ms^2

slug ft s

 0.068 slug 3.28 ft 1 s 0.22 slug/ft^2 0.0205 slug/ft s^2 72.16 slug ft^2/s^2 0.0019 slug/ft^3 4.305*10^9 slug/ft s^2 51.316 ft/s 32.14 ft/s^2

kg mm s

 1 kg 1000 mm 1 s 1000 kg mm/s^2 10^-3 kg/mm s^2 10^6 kg mm^2/s^2 10^-9 kg/mm^3 210*10^6 kg/mm s^2 15603 mm/sec 9.8*1000 mm/s^2
g cm ms 1000 gm 100 cm 1000 ms 10^-1 g cm/ms^2 10^-3 g cm/ms^2 10 g cm^2/ms^2 10^-3 g/cm^3 210*10^6 g/cm ms^2 1.560 cm/ms 9.8*10^-4 cm/ms^2
kg mm ms 1 kg 1000 mm 1000 ms 10^-3 kg mm/ms^2 10^-9 kg/mm ms^2 1 kg mm^2/ms^2 10^-9 kg/mm^3 210*1 kg/mm ms^2 15.60 mm/ms 9.8*10^-3 kg/mm ms^2

LS-DYNA doesn't have a default system of units. User needs to input material properties and physical dimensions according to a consistent system

of units as per their choice. This warrants that to use LS-DYNA in different circumstances, users has to be conversant with converting quantities

from one system of units to another.

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