개요

요소는 *Element 명령으로 생성한다. 요소의 연결 절점 개수는 요소 타입에 따라 결정된다. 요소의 물성에는 여러 요소에서 공통으로 사용하는 단면 물성(Section 물성)과 개별 요소에 직접 적용하는 분포 물성(Distribution)이 있다. 또한 Cable 요소와 Tendon 요소와 같은 특수 요소는 해석 단계에 따라 변경될 수 있는 필드값이 존재한다. 아래 표는 요소 타입에 따라 대응하는 단면 물성과 분포 물성, 필드값을 정리한 것이다.

Element type Description Section Distribution State
T3D2 2-node truss Beam (CS) BeamCS
Cable Cable Beam (R) BeamEndRelease CableLength
B2D2H 2D Bernoulli beam Beam (R) BeamEndRelease
B3D2H Bernoulli beam Beam (R) BeamEndRelease
B2D2MH 2D Timoshenko beam Beam (CS) BeamCS
B3D2MH Timoshenko beam Beam (SF) MCKElementScaleFactor
Spring 2-node spring/damper MCK (SF) MCKElementScaleFactor
EarthSpring 1-node spring/damper MCK (SF) MCKElementScaleFactor
PointMass 1-node mass MCK (SF) UCS
MovingSpring Moving spring MovingSpring (P) MovingSpringInitialPosition Speed
Tendon Tendon Tendon (Host) HostElset TendonStress, TendonStressHold
S3F 3-node flat shell Shell
S3 3-node shell Shell
S4F 4-node flat shell Shell
S4 4-node shell Shell
CS6 6-node solid shell Shell
CS8 8-node solid shell Shell
AC2D3 3-node triangular acoustic solid Solid
AC2D4 4-node rectangular acoustic solid Solid
AC3D4 4-node tetra acoustic solid Solid
AC3D6 6-node triangular acoustic solid Solid
AC3D8 8-node hexahedral acoustic solid Solid
AC2D4PMDL 4-node rectangular acoustic solid(PMDL) Solid
AC3D8PMDL 8-node hexahedral acoustic solid(PMDL) Solid
CPS3 3-node triangular plane stress solid Solid
CPS4 4-node rectangular plane stress solid Solid
CPE3 3-node triangular plane strain solid Solid
CPE4 4-node rectangular plane strain solid Solid
CAX3 3-node triangular axisym. solid Solid
CAX4 4-node rectangular axisym. solid Solid
C3D4 4-node tetra solid Solid
C3D6 6-node triangular solid Solid
C3D8 8-node hexahedral solid Solid
C3D8I 8-node hexahedral acoustic solid(Incompatible) Solid
C2D4PMDL 4-node rectangular strain stress solid(PMDL) Solid
CAX4PMDL 4-node rectangular axisym. solid(PMDL) Solid
C3D8PMDL 8-node hexahedral solid(PMDL) Solid