Analysis
- ■Static analysis
- ■Stage construction analysis
- ■Forced displacement analysis
- ■Eigen value analysis
- ■Complex eigen value analysis(Double QR method, power method )
- ■Response spectrum method (SRSS, CQC)
- ■Mode superposition method
- ■Direct integration method
- ■Continuous analysis from static to dynamic
Solver
- ■Direct method (skyline method)
- ■Iteration method(ICCG method)
Analysis Models
- ・2-dimensional model
- ・3-dimensional model
- ・Axisymmetric model (Fourier 0- and 1-order)
- ・Above models can be combined.
Mass
- ・Consistent mass
- ・Lumped mass
- ・User-defined mass matrix
Damping
- ・Modal damping
- ・Strain energy proportional damping
- ・Kinetic energy proportional damping
- ・Equivalent damping matrix
- ・Rigidity proportional damping （proportional/hysteretic)
- ・Rayleigh damping (Global / Group)*
- ・User-defined damping matrix
- * It is possible to define Rayleigh damping for each element property
Constraint
- ・Fixed support
- ・Forced displacement
- ・Multipoint constraint (MPC)
- ・Rigid spring connection
- ・Rigid beam connection
- ・Rigid floor assumption
Loads
- ■Static Loads
- Nodal point, Static seismic intensity.
- ■Acceleration Response Spectrum
- Conforming to the Highway Bridge Specifications of 1996 and 2002. Arbitrary shape spectrum.
- ■Dynamic Loads
- Nodal vibrating force, Seismic acceleration, Multi-seismic input.
Element Library
- ■Solid and Shell Elements
- o Hexahedral element
- o Plane stress
- o Plane strain
- o Mindlin shell
- o Mindlin plate
- ■Beam Elements
- 2-dimensional beam *
- o 3-dimensional beam *
- o Truss
- o Chord
- o Cable *
- o 2-dimensional fiber *
- o 3-dimensional fiber *
- * P-δ effect can be applied
- ■Spring Elements
- o Spring
- o Directional spring
- o Multi-spring
- o Nodal spring
- o Viscous damper
- o Directional translation viscous damper
- o Basemat uplift element
- o User-defined element matrix
- o Axial force dependent spring ( Nonlinear axial force can be used )
- ■Ground Modeling Elements
- o Viscous damper for bottom boundary
- o Viscous damper for side boundary
- o Viscous damper for out-of-plane boundary
- o 2-dimensional side boundary, with notch effect
- o 3-dimensional side boundary
- o 2-dimensional joint element
- ■Axisymmetric Elements
- o Axisymmetric thin shell
- o Axisymmetric ring
- o Axisymmetric spring
- o Axisymmetric viscous damper
- ■Fluid Elements (2-Dimensional. 3-Dimensional and Axisymmetric)
- o Fluid element
- o Fluid structure interraction element
- o Fluid surface element
- o Buoy effect element
- Note: Eigen value analysis for fluid only, and Structural-fluid analysis by direct integration method.
- ■Elasto-Plastic Elements for Architectural Structures
- o Beam elements with rigid/plastic end points
- o Multi-Spring Beam
- o Brace
- o Wall
- o Shear panel
Material Nonlinear Models
- ■Spring, Beam and Fiber Elements
- o Nonlinear elasticity (symmetric and asymmetric) *1
- o Bilinear (symmetric and asymmetric) *1
- o Trilinear (symmetric and asymmetric)
- o Maximum point directivity trilinear (symmetric and asymmetric) *1
- o Origin directivity trilinear (symmetric and asymmetric) *1
- o Degrading trilinear (Fukada Model)
- o Degrading trilinear (Muto Model) *1
- o Asymmetrical degrading trilinear (Eto Model) *1
- o Asymmetrical degrading trilinear (JR Soken Model)
- o Asymmetrical degrading tetralinear (Takeda Model)*1
- o Degrading trilinear (JR Soken Model) *1
- o Maximum point directional bilinear (Takeda Model, symmetric and asymmetric) *1
- o Maximum point directional bilinear (Clough Model, symmetric and asymmetric) *1
- o Axial force dependent bilinear *1
- o Axial force dependent bilinear (Modified Clough Model) *1
- o Axial force dependent trilinear
- o Axial force dependent trilinear (Eto Model) *1
- o Axial force dependent tetralinear (Takeda Model) *1
- o Axial force dependent Degrading trilinear (JR Soken Model) *1
- o Axial force dependent trilinear
- o Slip type
- o Bilinear sliding model
- o Slip model for movable bearing
- o Simple concrete model
- o Quadratic concrete model *1
- o Exponential concrete model *1
- o Wakabayashi model
- o Nonlinear elasticity *2
- o Asymmetric maximum point directivity trilinear *2
- o Asymmetric origin directivity trilinear *2
- o Slip model ( dependant on pressure and velocity )
- o User-defined nonlinear model *1
- *1:Negative slope can be specified
- *2:Origin point of skelton can be specified
- ■Spring/Multi-Spring/Viscous Damper
- o Nonlinear elasticity (symmetric and asymmetric) *
- o Hardin Drnevich, Ramberg Osgood
- o High damping rubber bearing
- o Lead rubber bearing
- o FDR model
- o Rubber bearing with Lead-plug
- o Rubber bearing with Tin-plug
- o Various rubber bearing models
- o User-defined nonlinear model *
- * Negative slope can be specified for viscous damper
- ■Ground elements
- o Joint model
- o τ-γ Curve model (bilinear)
- o τ-γ Curve model (Hardin Drnevich)
- o τ-γ Curve model (Ramberg Osgood)
- o τ-γ Curve model (Modified GHE )
- o Mohr-Coulomb nonlinear elasticity
- o Mohr-Coulomb perfect elasto-plasticity
- ■Elasto-plasticity elements for architectural structures
- o Column/beam : Axial strength, bending strength, M-N interaction
- o Brace : Axial strength
- o Wall : Axial strength, bending strength and shearing strength
- o Pane : Shearing strength
Others
- ・Summary function of response
- ・Output of multi-wave averaging
- ・Minimization of matrix bandwidth
- ・SI unit system (gravitational unit system also available)
Associated Software
FDAP III
- ■Analysis Functions
- ・Complex response analysis
- ・Steady frequency response analysis
- ■Analysis Model, Restraint Conditions, etc
- ・Same as TDAP III
- ■FDAP III Exclusive Functions
- ・Transmitting boundary elements ( 2 dimensional, axisymmetric )
- ・Ground impedance input function
- ・Equivalent linear analysis function ( Plane strain, Spring, Axisymmetric ring )
- ・Frequency-dependent spring
ArkLisa
- o Generation of added mass matrix for fluid-structure interaction
- o 2-dimensional, 3-dimensional and axisymmetric
Fluid-structure analysis ( dynamic and eigen value analysis ) can be done, using TDAP III and FDAP III