/TH/PART

Block Format Keyword Describes the time history for parts.

Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
/TH/PART/thgroup_ID
thgroup_name
var_ID1 var_ID2 var_ID3 var_ID4 var_ID5 var_ID6 var_ID7 var_ID8 var_ID9 var_ID10
Obj_ID1 Obj_ID2 Obj_ID3 Obj_ID4 Obj_ID5 Obj_ID6 Obj_ID7 Obj_ID8 Obj_ID9 Obj_ID10

Definitions

Field Contents SI Unit Example
thgroup_ID TH group identifier

(Integer, maximum 10 digits)

  
thgroup_name TH group name

(Character, maximum 100 characters)

  
var_ID1, ...n Variables saved for TH (see table below)

(Character, maximum 8 characters)

  
Obj_ID1, ...n Identifiers of the objects to be saved

(Integer)

  

TH Output Keyword & Variables

Keyword Object Saved Variables
PART Parts IE, KE, XMOM, YMOM, ZMOM, MASS, HE

TURBKE, XCG, YCG, ZCG, XXMOM, YYMOM, ZZMOM

IXX, IYY, IZZ, IXY, IYZ, IZX, RIE, KERB, RKERB, RKE

Table of Available Variables - Part 2

Keyword Variable Group Saved TH Variables
PART DEF IE, KE, XMOM, YMOM, ZMOM, MASS, HE

Output for Part in the Global Skew System

  • IE: internal energy
  • KE: kinetic energy
  • XMOM: translational X momentum in the global reference frame
  • YMOM: translational Y momentum in the global reference frame
  • ZMOM: translational Z momentum in the global reference frame
  • MASS: mass of the part excluding mass added due to mass scaling /DT/NODA/CST
  • HE: hourglass energy and numerical damping 6
  • TURBKE: turbulence kinetic energy (only for fluid applications)
  • XCG: center of gravity coordinates
  • YCG: center of gravity coordinates
  • ZCG: center of gravity coordinates
  • XXMOM: rotational X momentum in the global reference frame
  • YYMOM: rotational Y momentum in the global reference frame
  • ZZMOM: rotational Z momentum in the global reference frame
  • IXX: inertia matrix
  • IYY: inertia matrix
  • IZZ: inertia matrix
  • IXY: inertia matrix
  • IYZ: inertia matrix
  • IZX: inertia matrix
  • RIE: shear internal energy
  • KERB: transitional rigid body kinetic energy
  • RKERB: rotational rigid body kinetic energy
  • RKE: rotational kinetic energy

Comments

  1. A part (resp. a subset) can not be in several time history groups. In this case, the only variables output in time history are the variables declared in the last option which refers to the part (resp. subset).
  2. Available names are listed in the two tables above.

    In the first table, TH-variables are listed. If a TH-variable is requested, this variable is written.

    In the second table, other variable groups are listed. If a variable group is requested, all the associated TH-variables are written at once.

  3. In 2D axisymmetrical computation, energies are given per radian.
  4. If requested part is a Thpart, refer to Time Histories (Part definitions).
  5. Output for subset or part (for /TH/SH3N or /TH/SHEL only):

    HE: global hourglass energy with visco-energy added for numerical stabilization if QBAT and QEPH shell formulations (Ishell =12, 24) are used (refer to /PROP/TYPE1 (SHELL)).

  6. HE output is perturbation hourglass energy for shell elements, Ishell = 1 – 4, and Ish3n = 1, 2 and is defined in the element properties using hm, hf, and hr. For Ishell = 12, 24 and Ish3n = 30, 31, the output is numerical damping and is defined in the element properties using dm and dn. Note that numerical damping is not included in the global hourglass energy calculation. For solid elements Isolid = 1, 2, the output is perturbation hourglass energy and is defined using solid element property, h.