/MONVOL/PRES

Block Format Keyword Describes the pressure load curve monitored volume type.

Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
/MONVOL/PRES/monvol_ID/unit_ID
monvol_title
surf_IDex                  
Ascalet        
fct_ID Fscale   Itypfun          

Definitions

Field Contents SI Unit Example
monvol_ID Monitored volume identifier.

(Integer, maximum 10 digits)

 
unit_ID Unit Identifier.

(Integer, maximum 10 digits)

 
monvol_title Monitored volume title.

(Character, maximum 100 characters)

 
surf_IDex External surface identifier.

(Integer)

 
Ascalet Abscissa scale factor for time based functions. 4

(Real)

[ s ]
fct_ID Load curve identifier for relative pressure.

If Itypfun=0, the function defines P r e l = f c t _ I D ( V 0 V ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaamaalaaabaGaamOvam aaBaaaleaacaaIWaaabeaaaOqaaiaadAfaaaaacaGLOaGaayzkaaaa aa@44C8@

If Itypfun=1, the function defines P r e l = f c t _ I D ( t ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaaiaadshaaiaawIcaca GLPaaaaaa@430B@

If Itypfun=2, the function defines P r e l = f c t _ I D ( V V 0 ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaamaalaaabaGaamOvaa qaaiaadAfadaWgaaWcbaGaaGimaaqabaaaaaGccaGLOaGaayzkaaaa aa@44C8@

If Itypfun=3, the function defines P r e l = f c t _ I D ( t ) * ( V O V ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuamaaBa aaleaacaWGYbGaamyzaiaadYgaaeqaaOGaeyypa0JaamOzaiaadoga caWG0bGaai4xaiaadMeacaWGebWaaeWaceaacaWG0baacaGLOaGaay zkaaGaaiOkamaabmaabaWaaSaaaeaacaWGwbWaaSbaaSqaaiaad+ea aeqaaaGcbaGaamOvaaaaaiaawIcacaGLPaaaaaa@47AA@

(Integer)

 
Fscale Load curve scale factor for relative pressure. 4

Default = 1.0 (Real)

[ Pa ]
Itypfun Flag type of relative pressure function defined in fct_ID.
=0
Pressure is P rel =fct_ID( V 0 V ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaamaalaaabaGaamOvam aaBaaaleaacaaIWaaabeaaaOqaaiaadAfaaaaacaGLOaGaayzkaaaa aa@44C8@
= 1
Pressure is P rel =fct_ID( t ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaaiaadshaaiaawIcaca GLPaaaaaa@430B@
=2
Pressure is P rel =fct_ID( V V 0 ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaGccqGH9aqpcaWGMbGaam4y aiaadshacaGGFbGaamysaiaadseadaqadiqaamaalaaabaGaamOvaa qaaiaadAfadaWgaaWcbaGaaGimaaqabaaaaaGccaGLOaGaayzkaaaa aa@44C8@
=3
Pressure is P rel =fct_ID( t )*( V O V ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuamaaBa aaleaacaWGYbGaamyzaiaadYgaaeqaaOGaeyypa0JaamOzaiaadoga caWG0bGaai4xaiaadMeacaWGebWaaeWaceaacaWG0baacaGLOaGaay zkaaGaaiOkamaabmaabaWaaSaaaeaacaWGwbWaaSbaaSqaaiaad+ea aeqaaaGcbaGaamOvaaaaaiaawIcacaGLPaaaaaa@47AA@

(Integer)

 

Comments

  1. The relative pressure is defined as, Prel = pressure inside of monitored volume - atmospheric pressure.
  2. surf_IDex must be defined using segments associated with 4- or 3-nodes shell elements (possibly void elements) and not with /SURF/SEG.
  3. The volume must be closed and the normals must be oriented outwards.
  4. Abscissa scale factors are used to transform abscissa units in airbag functions, for example:(1)
    F ( t ) = fct _ ID t = f ( t Ascale t )
    Where, t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiDaaaa@36EF@ is time.(2)
    F ( P ' ) = f c t _ I D P = f ( P r e l F s c a l e ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaaciGGgbGaci ikaiaadcfacaGGNaGaaiykaiabg2da9iaadAgacaWGJbGaamiDaiaa c+facaWGjbGaamiramaaBaaaleaacaWGqbaabeaakiabg2da9iGacA gadaqadaqaceaaooWaaSaaaeaacaWGqbWaaSbaaSqaaiaadkhacaWG LbGaamiBaaqabaaakeaacaWGgbGaam4CaiaadogacaWGHbGaamiBai aadwgaaaaacaGLOaGaayzkaaaaaa@4EC4@

    Where, P r e l MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbbG8FasPYRqj0=yi0dXdbba9pGe9xq=JbbG8A8frFve9 Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaacaWGqbWaaS baaSqaaiaadkhacaWGLbGaamiBaaqabaaaaa@3A31@ is relative pressure.