Nils-Erik Wiberg
Visar 443 publikationer
Rail vibrations caused by ground stiffness transitions
Assessment of acceleration modelling for fluid-filled porous media subjected to dynamic loading
Coupled simulation of wave propagation and water flow in soil induced by high-speed trains
Moving finite elements and dynamic vehicle interaction
Rail- and Roadway Dynamics - uncoupled and coupled analysis
Simulation of inelastic deformation in road structures due to cyclic mechanical and thermal loads
Simulation of Road Structures Subjected to Dynamic Loading
Vehicle-track-underground modeling of rail induced wave propagation
Moving mesh adaptivity applied to railway dynamics
Strength and deformation of arbitrary beam sections using adaptive FEM
Adaptive solid wave propagation - Influences of boundary conditions in high-speed train applications
Coupled simulation of wave propagation and water pumping phenomena in driven concrete piles
Computational railway dynamics
Coupled hydro-mechanical wave propagation in road structures
Simulation of coupled hydro-mechanical wave propagation in driven concrete piles
Absorbing boundary layers for elastic wave propagation
Development of software for structural analysis adapted to construction engineering applications
Moving mesh domain adaptation technique - application to train induced wave propagation
Towards Integrated Vehicle-track.underground Modelling of Train Induced Wave Propagation
Simulation of failure of structures using dynamics and optimization techniques
Adaptive FE-Simulations In 3D Using Multigrid Solver
FE simulations of wave propagation in saturated porous media - examples and applications
Modelling train passage in curves with isoparametric differntial constraint equations.
Adaptive multigrid for FE computations in plasticity
Wave Propagation Related to High-Speed Train - a Scaled Boundary FE-approach for Unbounded Domains
Analysis of High-speed Train Related Ground Vibrations by a Hybrid Method
Modelling of Railway Vehicle-Track-Underground Dynamic Interaction Induced by High-Speed Trains
Computational Methods adapted to Structural Engineering Practice
Towards fully mesh adaptive FE-simulations in 3D using multi-grid solver
Rail induced wave propagation in soil facing sloping rock
Interface-Capturing Finite-Element-Technique (ICFET) for Transient Two-Phase Flow
Reflection waves from high speed trains - adaptive FE solutions
Towards fully mesh adaptive FE-simulations in 3D using multigrid solver
Adaptive Solid Wave Propagation - Influences of Boundary Conditions in High-Speed Train Applications
Adaptive Multigrid FE-technique for Computational Plasticity
A comparison of parallel implementation of explicit DG and central difference method
A comparison of parallel implementation of explicit DG and central difference method
Tillämpad Virtual Reality för stora och komplexa byggnader
Application of 3D Solid Modeling and Simulation Programs to a Bridge Structure
Integrated computational engineering
Nonlinear FE-modelling of road base material
Adaptive ICT-Procedure for Non-linear Seepage Flows with Free Surface in Porous Media
Interface Capturing Finite - Element Technique (ICFET) for transient Two-Phase Flow
Wave Propagation Related to High-Speed Train - a Scaled Boundary FE-approach for Unbounded Domains
Computational Wave Propagation by Adaptive Multigrid FE-Technique
Eigenproblem Analysis-h-Adaptivity and a Nonlinear Algorithm
Adaptive ICT-Procedure for Non-linear Seepage Flows with Free Surface in Porous Media
Application of 3D Solid Modeling and Simulation Programs to a Bridge Structure
Adaptive 3D Finite Element Analysis in Structural Design
Simulation of Failure of Structures Using Dynamics and Optimisation Techniques
Towards Fully Mesh Adaptive FE-Simulations in 3D Using Multi-Grid Solver
On Wave Propagation Problems Associated to High-speed Trains
Postprocessing Techniques and h-Adaptive Finite Element-Eigenproblem Analysis
Adaptive FEA of Wave Propagation Induced by High-Speed Trains
Computing Steady Motion of Incompressible Fluid Interface in Porous Media Flow
Interactive Design and Investigation of Physical Bridges using Virtual Models
Adaptive FEA of Wave Propagation Induced by High-Speed Trains
Postprocessing Techniques and h-Adaptive Finite Element-Eigenproblem Analysis
Finite Element Modelling of High-Speed Train induced Track-Ground Vibrations
Introduktion till byggnadsmekanik, Byggande och byggteknik för V1
Free Surface Flow through Rock-Fill Dams Analyzed by FEM with Level Set Approach
Free Surface Flow through Rock-Fill Dams Analyzed by FEM with Level Set Approach
On Parallel Computation and Wave Propagation
Finite Element Analysis of Road Rutting
Adaptive Finite Element Analysis of Wave Propagation under Moving Loads Induced by High-Speed Trains
Adaptive solid modeling using our program FEM90
Wave Propagation-Explicit Code for Parallel Computing
Finite Element Analysis of a Multi Physics Problem
Wave Propagation Related to Moving Loads Close to Critical Speed
Postrocessing Techniques and h-Adaptive FE-Eigenproblem Analysis
The Rational Krylov Algorithm for Nonlinear Eigenvalue Problems
Free Surface Flow Predictions by an Interface-Capturing Finite Element Technique
Free Surface Flow Predictions by an Interface-Capturing Finite Element Technique
Adaptive 3D solid modeling and simulation in computational structural design
Error Estimation and h-adaptivity for Eigenfrequency Analysis of Plates in Bending Numerical Results
Computational Modelling and Simulation in Structural and Civil Engineering
Use and Implementation of the Recovery Based Error Estimators in Structural Analysis
Finite Element Modeling of a Coupled Thermo-Hydro-Mechanical Process in Porus Media
Free Surface Flow in Dams with Level Set Approach and Adaptive FEM
Adaptive Eigenfrequency analysis by Superconvergent Patch Recovery
Wave Propagation in Solids by Adaptive DG-FE-Procedure
Adaptive Eigenfrequency analysis by Superconvergent Patch Recovery
Adaptive Finite Element Strategy for Acoustic Problems
Accuracy assessment of maximum displacement and stress
Integration on CAD and FEM in an Adaptive Design Process
Adaptive h-version eigenfrequency analysis
Adaptive Finite Element Procedures for Linear and Non-Linear Dynamics
Adaptive Design and Analysis of Structures an Integration of Tools
Nonlinear Structural Dynamic Analysis by a Discontinuous Galerkin Finite Element Method
Nonlinear Structural Dynamic Analysis by a Discontinuous Galerkin Finite Element Method
h-Adaptive Eigenfrequency Analysis
Adaptive FE-analysis of Column Supported Reissner-Mindlin Plates
Adaptive h-version eigenfrequency analysis
Improved Eigenfrequencies and Eigenmodes in Free Vibration Analysis
Adaptive Strategy for Acoustic Analysis
Error Estimation and Adaptivity for FE-Analysis in Acoustics
Adaptive Finite Element Procedures for Linear and Non-Linear Dynamics
Viscoplastic Finite Element Modeling of Rutting Phenomena in Road-Pavements
Adaptive Finite Element Strategy for Acoustic Problems
Adaptive FE-analysis of Column Supported Reissner-Mindlin Plates
Adaptive Design and Analysis of Structures an Integration of Tools
Postrocessing Techniques in FE-Eigenproblem Analysis
Improved Eigenfrequencies and Eigenmodes in Free Vibration Analysis
Adaptive Eigenfrequency Analysis by Superconvergent Patch Recovery
Implementation and Adaptivity of a Space-Time Finite Element Method for Structural Dynamics
Adaptive FE-analysis of column supported Reissner-Mindlin Plates
FE-procedures for conductive-convective heat transfer,
Adaptive Finite Element Procedures for Linear and Nonlinear Dynamics
Adaptive Finite Element Strategy for Acoustic Problems
Introduktion till byggnadsmekanik, Byggande och byggteknik för V1
Error Estimation and adaptivity for h-version adaptivity
Adaptive plate bending analysis with column interaction
Implementation and Adaptivity of a Space-Time Finite Element Method for Structural Dynamics
Adaptive Discontinuous Galerkin Procedures for Linear and Nonlinear Structural Dynamics
An Overview of Currently Existing Methods for Rutting Prediction and Control in Road-Pavements
Seminar on Pavement Design and Road Mechanics, Stockholm ´98
An Overview of Currently Existing Methods for Rutting Prediction and Control in Road-Pavements
Finite Element Modeling of Rutting Phenomena in Pavement Structures
Seminar on Pavement Design and Road Mechanics, Stockholm, ´98
Real Time Simulation of Deformable Objects in Medicine – A Finite Element Approach
Adaptive design and analysis – an integration of tools
Error Estimation and h-A daptivity for Eigenfrequency Analysis of Plates in Bending
Error Estimation and adaptivity for h-version adaptivity
Superconvergent Patch Recovery in Problems of mixed form
Adaptive FE-solution of column (Reissner-Mindlin) plates
Superconvergent Patch Recovery in Problems of mixed form
Nonlinear Structural Dynamic Analysis by a Discontinous Galerkin Finite Element Method
Error Estimation and Adaptive Procedures Based on Superconvergent Patch Recovery SPR Techniques
Adaptive Finite Element Procedure for Crack Analysis
Advanced Design of Concrete Structures, CIMNE, Barcelona
Adaptive Finite Element Procedure for Crack Analysis
Error Estimation and Adaptivity for h-version Eigenfrequency Analysis
Super Convergent Patch Recovery - A key to quality assessed FE-solutions
Adaptive procedure with superconvergent patch recovery for linear parabolic problems
Error Estimation and Adaptive Procedures Based on Superconvergent Patch Recovery (SPR) Techniques
Adaptive procedure with superconvergent patch recovery for linear parabolic problems
Error estimation with postprocessed finite element solutions
Advanced Design of Concrete Structures
Super Convergent Patch Recovery - A key to quality assessed FE-solutions
Error estimation with postprocessed finite element solutions
Accuracy Assessed Eigenfrequency Analysis by Node Patch Recovery
The superconvergent patch recovery in problems of mixed form
Adaptive Finite Element Procedures in Elasticity and Plasticity
Structural Dynamic Analysis by a Time-discontinuous Galerkin Finite Element Method
Error estimation and adaptive procedures based on superconvergent patch recovery (SPR) techniques
Adaptive Finite Element Procedures in Elasticity and Plasticity
Adaptive h-version eigenfrequency analysis
Structural Dynamic Analysis by a Time-discontinuous Galerkin Finite Element Method,
Improved eigenfrequencies and eigenmodes in free vibration analysis
Improved element stresses for node and element patches using superconvergent patch recovery
On understanding and teaching of the finite element method
Error estimation for eigenfrequencies and eigenmodes in dynamics
Postprocessed error estimation in free vibration analysis
Improved element stresses for node and element patches using superconvergent patch recovery
Error Estimation with Postprocessed Finite Element Solutions
Structural dynamic analysis by a time-discontinuous Galerkin finite element method
Understanding the finite element method
Improved element stresses for node and element patches using superconvergent patch recovery
Adaptive Finite Element Procedures In Elasticity And Plasticity
uperconvergent Patch Recovery - A Key to Quality Assessed FE-Solutions
On understanding and teaching of the finite element method
Eighth Nordic Seminar on Computational Mechanics, Short Papers, Göteborg November 17-18, 1995
Understanding the finite element method
Superconvergent Patch Recovery - A Key to Quality Assessed FE Solution
Implementation and adaptivity of a space-time finite element method for structural dynamics
FEM-94 A seminar on Non-linear and time-dependent problems. 380 pp. 94
Enhanced Superconvergent Patch Recovery incorporating equilibrium and boundary conditions
Free Vibration of Reissner-Mindlin Plates Using a Linked Interpolated Mixed Element
Enhanced Superconvergent Patch Recovery incorporating equilibrium and boundary conditions
Free Vibration of Reissner-Mindlin Plates Using a Linked Interpolated Mixed Element
Superconvergent Patch Recovery of Finite Element Solution and a Posteriori L2 Norm Error Estimate
Error Estimation and Adaptivity in Elastodynamics
The Effectivity of the Zienkiewicz-Zhu Error Estimate and two 2D Adaptive Mesh Generators
Enhanced Superconvergent Patch Recovery Incorporating Equilibrium and Boundary Conditions
Superconvergent patch recovery of finite element solution and a posteriori L2 norm error estimate
Path Recovery based on Superconvergent Derivatives and Equilibrium
The Effectivity of the Zienkiewicz-Zhu Error Estimate and two 2D Adaptive Mesh Generators
FEM-93 A seminar on Error Estimation and Adaptivity in Computational Mechanics 232 pp. 93
Path Recovery based on Superconvergent Derivatives and Equilibrium
Error Estimation and Adaptivity in Elastodynamics
Free Vibration of Reissner-Mindlin Plates Using a Linked Interpolated Mixed Element
Improved patch stress recovery procedure by equilibrium and boundary conditions
An adaptive finite element procedure for 2D dynamic transient analysis using direct integration
Patch recovery based on superconvergent derivatives and equilibrium,
Earthquake response analysis of a concrete dam by adaptive time-stepping algorithm
A posteriori error estimation based on superconvergent derivatives and equilibrium
Spatial mesh adaptation and semidiscrete finite element analysis of linear elastodynamic problems
A note on the effectivity of the Zienkiewicz-Zhu error estimate and two 2D adaptive mesh generators
An adaptive finite element procedure for 2D dynamic transient analysis using direct integration
Spatial mesh adaptation and semidiscrete finite element analysis of linear elastodynamic problems
A recursive finite element scheme for point singularities in elliptic problems
Adaptive FE-procedures in Elastomechanics
Finite element adaptivity in dynamics and elastoplasticity.
Finite element adaptivity in dynamicsand elastoplasticity.
Finite element adaptivity in dynamics and elastoplasticity
Verksamheten vid byggnadsmekanik CTH
Time integration of convection-diffusion problems by hierarchical functions
On the Adaptive Analysis for Elastodynamic Problems Using Semidiscrete Finite Elements
Finite Element Analysis of Progressive Failure in Long Slopes
Finite Element Analysis of Progressive Failure in Long Slopes
An Adaptive Finite Element Procedure for 2D Dynamic Transient Analysis Using Direct Integration
An explicit FE-algorithm for compressible flow with adaptive shock capturing
Two-dimensional mesh generation, adaptive remeshing and refinement
Two-dimensional mesh generation, adaptive remeshing and refinement
Time Integration of Non-linear Convection-Conduction Problems
An adaptive FE-analysis procedures of h-p version for 2D elastic stress problems
A generalized coordinate method for the analysis of 3D tall buildings
Datorberäkningar 89 - En seminariedag om utvecklingstendenser inför 90-talet
A Computer Program for FE-analysis of Progressive Failure in Long Slopes
Numerical methods in structural dynamics. Adaptive FE-procedures
Data management in finite element programs
Two-Dimensional Mesh Generation, Adaptive Remeshing and Refinement
A generalized coordinate method for the analysis of 3D tall buildings
Mesh generation and mesh refinement procedures for computational plasticity
Time Integration of Non-linear Heat Storage Problems
Numerical methods in structural dynamics. Adaptive FE-procedures
SLOPESTAB : A Computer Program for FE-analysis of progressive Failure in Long Slopes
FEM-beräkning av värmelager jämförande studier och seminarium
Adaptive FE-analysis procedure and error estimation for 2D elastic problems
On adaptive calculation of Kirchhoff plates with mixed method
Heat transfer and heat storage problems calculated by SITU-FLOW-H-V1
Numerical Methods in Structural Dynamics Adaptive FE-procedures
Boundary element analysis for dynamic response of vibrating foundation
Formulation and solution of hierarchical finite element Equations
A generalized Coordinate Method for the analysis of 3D tall buildings
Stability of elastic plane frames including soil-structure interaction
FE-calculation of progressive failure in long clay slopes
Stress analysis and heat transfer using finite element program - students computer lab
Stability of elastic plane frames including soil-structure interaction
Boundary element analysis for dynamic response of vibrating foundation
Formulation and solution of hierarchical finite element Equations
On the practical use of standard and higher order patchtests for plate bending problems
Stability of Elastic Plane Frame Including Soil-structure Interaction
SITU General Manual for a Programming System which is SImple To Use
PRIVEC A tool for the management of arrays in a hierarchic data structure in primary memory
On exact and hierarchical finite elements for frame structures
SITU-FRAME-E2-V1 - A Computer Program for second order analysis of plane frames with static loads
An adaptive procedure for eigenvalue problems using the hierarchical finite element method
Elastic-plastic pile-frame interaction
Least-squares schemes for time integration of thermal problems
On exact and hierarchical finite elements for frame structures
An adaptive procedure for eigenvalue problems using the hierarchical finite element method
Vibration of thick plates on three dimensional multilayered soil
Stability of plane frames including soil structure interaction
Adaptive and hierarchical time integration of convection-diffusion problems
A study of the efficiency of iterative methods for linear problems in structural mechanics
A semi-analytical FE-model for 3D elastic-viscoplastic soil foundation
Influence of a wall system on the interaction between soil and foundation plates
A study of the efficiency of iterative methods for linear problems in structural mechanics
Boundary element solution for dynamic soil-structure interaction
Adaptive computer methods in structural mechanics
Adaptive and hierarchical analysis of eigenvalue problems
SITU-FLOW-G - A computer program for groundwater flow which is simple to use
Formulation and solution of hierarchical finite element equations
Datorstödd konstruktion - samordning och intensifiering av CAD-verksamhetn vid CTH
Influence of a wall system on the interaction between soil and foundation plates
Dynamic soil structure interaction problem including viscous damping
Application of Laplace transform to solution of structural vibration problems
CHALMFEM - A package of computer programs for FEM-analysis of Engineering Proble
The efficiency of partially penetrating vertical drains
A subroutine library for establishment and solution of linear equation systems
The efficiency of partially penetrating vertical drains
High order time integration of thermal problems
An adaptive procedure for eigenvalue problems using the hierarchical finite element method
Stability analysis of natural slopes in clay by use of the finite element method
On the behaviour of natural slopes with emphasis on progressive failure
Boundary element so lutions for some problems in soil dynamics
The efficiency of non-penetrating vertical drains
A study of the hierarchical p-version of the finite element method for static problems
Stability and progressive failure of natural slopes - A simple approach
On the improvement of the numerical accuracy of FEM-solutions
Finite element analysis of geothermal problems. Present status and need for development
Heat storage in aquifers analyzed by the finite element method
Influence of a wall system for interaction between soil and foundation plates
Heat storage in aquifers analyzed by the finite element method
SBALK2 - Datorprogram för dimensionering av sadelbalkar i förspänd betong enligt BBK 79
Soil structure interaction in plane frame stability analysis
Finite element analysis of geothermal heat storage problems
Thick plates on multilayered soil. A semianalytical 3D FEM-solution
Computer methods for engineering calculations
Orientering om finita elementmetodens praktiska användning
Seepage interaction in sand and clay
Features facilitating the development of the program package SITU for computer aided design purposes
Design and generation of programs for interactive PRE-FEM-POST processing
On the behaviour of natural slopes in clay
Aspects on the solution of large scale structures
PRISEC - A tool for the data management in FORTRAN-programs
Ground water heat pump problems analyzed by the finite element method
Interaction problems in soil structure mechanics with material nonlinearity
Energy storage in soil, A finite element approach to a transient energy transport problem
Vridning, välvning och kantring av kontinuerliga balkar och balkroster
Finita elementmetodens tillämpningar inom olika teknikområden
PRISEC-VERSION 1, A tool for the data management in FORTRAN-programs
CHALMFEM - ett effektivt beräkningshjälpmedel för byggsektorn
Energy transport and storage in earth analyzed by the finite element method
Groundwater hydrology problems with emphasis on approximate computer solutions
Interaction problems in soil-structure mechanics with material nonlinearity
GEOFEM-G, Computer program for ground water seepage including confined aquifer analysis
Finite Elements in Nonlinear Mechanics
Aspects on input and output for finite element programs
Finite element analysis of ground water flow and settlements in aquifers confined by clay
Some geomechanical and geohydrological problems analyzed by the finite element method
Några geotekniska och geohydrologiska problem analyserade med finit elementmetod
Computer implementation of non-linear finite element analysis applied to some geotechnical problems
Finita elementmetoden i maskintekniken
Finita elementmetoden, några tillämpningar. Fortbildningskurs CTH 22-26, november, 1976
Dimensionering av spännarmerade betongelement med hjälp av dator
Finite element method, the large and sparse system of equations and its numerical solution
Finita elementmetodens tillämpning inom geomekanik
Finita elementmetoden, några tillämpningar. Fortbildningskurs CTH 20-24 oktober 1975
Finita elementmetoden, en datoranpassad beräkningsmetod för ingenjörsproblem
General solution routines for symmetric equation systems
Matrix structural analysis with mixed variables
SOLV, SOLVP, General solution routines for symmetric equation systems
PRAM, Datorprogram för analys av plan ram enligt 1:a och 2:a ordningens teori
FEMWT - A General Purpose Computer Program for Solving Problems by Finite Element Methods
Datorprogram för tredimensionell analys av höga byggnader
System analysis in structural mechanics by use of mixed force and displacement variables
Exempelsamling i byggnadsstatik för V1,2:a uppl okt 1970, 3:e uppl nov 1971
Diacoptics and Codiacoptics. Two dual mixed methods for analysing elastic structures
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