Search
Search Results
-
Space-time variational material modeling: a new paradigm demonstrated for thermo-mechanically coupled wave propagation, visco-elasticity, elasto-plasticity with hardening, and gradient-enhanced damage
We formulate variational material modeling in a space-time context. The starting point is the description of the space-time cylinder and the...
-
On a nonlinear rod exhibiting only axial and bending deformations: mathematical modeling and numerical implementation
In this work, we present the mathematical formulation and the numerical implementation of a new model for initially straight, transversely isotropic...
-
-
A new variational approach for the thermodynamic topology optimization of hyperelastic structures
We present a novel approach to topology optimization based on thermodynamic extremal principles. This approach comprises three advantages: (1) it is...
-
Sound source localization – state of the art and new inverse scheme
Acoustic source localization techniques in combination with microphone array measurements have become an important tool for noise reduction tasks. A...
-
Multi-objective topology optimization of pin-fin heat exchangers using spectral and finite-element methods
Forced convective pin-fin heat exchangers, due to the high wet surface area per volume and the hindered thermal boundary layers, feature low thermal...
-
Toward Predictive RANS and SRS Computations of Turbulent External Flows of Practical Interest
We investigate the main challenges to prediction of turbulent external flows of practical interest with Reynolds-Averaged Navier–Stokes equations...
-
Quantization
Quantization is the second main process in conversion. This chapter deals with the mathematical derivation and modeling of quantization in several...
-
Axisymmetric hub-endwall profile optimization for a transonic fan to improve aerodynamic performance based on an integrated design optimization method
This paper investigates an optimization for the axisymmetric hub-endwall profile of a transonic fan designed for a civil high bypass ratio turbofan...
-
Topology optimization of bi-material structures with frequency-domain objectives using time-domain simulation and sensitivity analysis
In this paper, we propose to use time-domain transient analysis to compute the response of structures in a wide frequency band by means of Fourier...
-
Numerical simulation of liquid–gas interface formation in long superhydrophobic microchannels with transverse ribs and grooves
Superhydrophobic microchannels have evolved recently as an accepted strategy to mitigate the hydrodynamic resistance tendered in micro-constrictions....
-
Fourier-Accelerated Nodal Solvers (FANS) for homogenization problems
Fourier-based homogenization schemes are useful to analyze heterogeneous microstructures represented by 2D or 3D image data. These iterative schemes...
-
Automation of Road Intersections Using Distributed Model Predictive Control
The automation of road intersections is increasingly considered as an inevitable next step toward a higher level of autonomy on our roads. For the...
-
Data-Driven Computing
Data-Driven Computing is a new field of computational analysis which uses provided data to directly produce predictive outcomes. Recent works in this...
-
An Adaptive Cartesian Mesh Based Method to Simulate Turbulent Flows of Multiple Rotating Surfaces
An efficient Cartesian cut-cell/level-set method based on a multiple grid approach to simulate turbulent turbomachinery flows is presented. The...
-
Numerical simulation of casting processes: coupled mould filling and solidification using VOF and enthalpy-porosity method
Within the scope of industrial casting applications a numerical model for the simultaneous mould filling and solidification process has been...
-
Fat Latin Hypercube Sampling and Efficient Sparse Polynomial Chaos Expansion for Uncertainty Propagation on Finite Precision Models: Application to 2D Deep Drawing Process
In the context of uncertainty propagation, the variation range of random variables may be many oder of magnitude smaller than their nominal values....
-
Conservative, Skew–Symmetric Discretization of the Compressible Navier–Stokes Equations
We present a fully conservative finite difference scheme for the compressible Navier–Stokes equations. Due to its skew symmetry it is possible to...
-
Error Assessment in Structural Transient Dynamics
This paper presents in a unified framework the most representative state-of-the-art techniques on a posteriori error assessment for second order...
-
Rough Sets: From Rudiments to Challenges
In the development of rough set theory and applications, one can distinguish three main stages. At the beginning, the researchers concentrated on...