MASSSET

Bulk Data Entry Defines a linear combination of mass cases to form the subcase dependent mass.

Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
MASSSET ID SA S0 ID0 S1 ID1 S2 ID2
S3 ID3 etc.

Example

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
MASSSET 10 1.0 1.0 0 1.0 10

Definitions

Field Contents SI Unit Example
ID Identification number referenced by MASSSET Subcase Information Entry.

No default (Integer > 0)
SA The overall scale factor for the linear combination.

Default = 0.0 (Real)
Si The scale factor for the linear combination.

Default = 0.0 (Real)
IDi The MASSID for the i'th mass section. This is the ID defined on the SEID field of the BEGIN,MASSID entry to identify the corresponding mass section.

No default (Integer > 0)

Comments

  1. This entry is referenced by the MASSSET Subcase Information Entry.
  2. Fixed reference frame method is adopted for 3D rotor dynamic analysis.
  3. The mass of a section is calculated as:
    M I D = S 0 ∑ i S i M i MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamytamaaBa aaleaacaWGjbGaamiraaqabaGccqGH9aqpcaWGtbWaaSbaaSqaaiaa icdaaeqaaOWaaabuaeaacaWGtbWaaSbaaSqaaiaadMgaaeqaaOGaam ytamaaBaaaleaacaWGPbaabeaaaeaacaWGPbaabeqdcqGHris5aaaa @424F@
    Where,
    M ID MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamytamaaBa aaleaacaWGjbGaamiraaqabaaaaa@3889@
    Mass of the linear combination of mass cases.
    S 0 MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4uamaaBa aaleaacaaIWaaabeaaaaa@37B2@
    Overall scale factor of the linear combination.
    S i MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4uamaaBa aaleaacaWGPbaabeaaaaa@37E6@
    Scale factor of the i'th mass section.
    M i MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamytamaaBa aaleaacaWGPbaabeaaaaa@37E0@
    Mass of the i'th mass section identified by the IDi field. It is the mass of the mass section defined on the corresponding BEGIN,MASSID entry.
    i MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSbaaSqaai aadMgaaeqaaaaa@370E@
    ID of the MASSID section; i = 0 is the base mass case.
  4. IDs for mass sections defined on the MASSSET Bulk Data Entry should be unique.