Solution : Linear Static, buckling, natural frequency, linear dynamic, nonlinear static, nonlinear dynamic analysis, seismic analysis and influence line analysis

Dynamic Time-history analysis

     Explicit method: Central difference Method
     Implicit methods: Newmark-beta, Wilson-theta and HHT Methods

Mode superposition method for linear dynamic analysis with damped and undamped system

     Eigenvector
     Load dependent Ritz vector

Seismic analysis

     Time integration method
     Mode superposition method
     Response spectrum methods (CQC, SRSS method)

Co-rotational method for nonlinear beam and shell element

Nonlinear solution control algorithm with Newton-Raphson method

     Load control
     Displacement control
     Constant arc-length
     Automatic arc-length control method for highly nonlinear problems

Geometrical nonlinearity: Updated Lagrangian Method

Nonlinear material model

     Von-Mises with strain hardening
     Ilyushin-Ivanov with strain hardening
     Mohr-Coulomb
     Drucker-Prager
     Tresca
     Concrete Model
     Maekawa concrete model
     Elasto-plastic concrete model
     Mander Model

Fiber-reinforced composite materials with the progressive failure analysis

     Maximum stress
     Tsai-Wu
     Tsai-Hill
     Modified Puck Criterion Theory

Postbuckling analysis of frame, plate and shell

Eigenvalue analysis using

     Inverse iteration
     Subspace iteration method
     Lanczos vector

Buckling and natural frequency analysis

Vibration control using viscous damper

Base-isolation with friction & Bi-linear

Construction stage analysis of Cable Stayed Bridge

Calculation of initial pretension of cable element by optimization techniques

Loss of prestressing in pre-tensioned and post-tensioned structures

     Instantaneous loss: elastic shortening, friction and anchor slip
     Time dependent loss: creep, shrinkage and relaxation

Concrete Creep and shrinkage according to the

     CEB-FIP Model Code 90
     ACI

Offset, Pin&Hinge (end release) connection in the frame element

Nonlinear link element (Gap, Hook & Gap-Hook)

Bond-link element (1D,2D & 3D Anchor)

Contact element (2D & 3D, Steel-concrete, Soil-structure)

Automatic Bridge moving load based on AASHTO

     Influence line analysis using Frame element
     Influence surface analysis using shell element

Standard steel section property:      

     Korean-code
     Euro-code

3D dynamic analysis of bridge-vehicle interaction

     Moving axle loading
     Articulated high-speed train (TGV/KTX)
     Independent car-train (Shinkansen/Taiwan HST)

2D and 3D analysis of Elastic and Elasto-plastic Consolidation

Heat transfer