Filters
Dispersion Error of Finite Element Discretizations in Elastodynamics
The spatial discretization of a continuum by the finite element method introduces dispersion error to the numerical solution of stress wave propagation. The errors of the phase and group velocities and the scatter of the wa...
BA - Obecná matematika
- 2010 •
- C
Rok uplatnění
C - Kapitola v odborné knize
Dispersion errors of B-spline based finite element method in one-dimensional elastic wave propagation
This contribution devotes to dispersion errors in B-spline based finite element method. The dispersion errors for this computational strategy of wave equation can be controlled by spline order, number of control po...
BI - Akustika a kmity
- 2011 •
- O
Rok uplatnění
O - Ostatní výsledky
Dispersion errors for wave propagation in thin plate due to the finite element method
and temporal discretization lead to dispersion errors. For 2D plane strain elements these errors can be stated analytically. These analytical relations derived for harmonical waves in the infinite continuum can be used for...
Applied mechanics
- 2019 •
- D
Rok uplatnění
D - Stať ve sborníku
Accuracy of Finite Quadratic Serendipity Elements in Implicit Dynamic Wave Propagation Problems
by the finite element method is influenced by the dispersion errors caused by both spatial, dispersion errors can be controlled by a choice of the finite element type, a type element for the Newmark method are pre...
BI - Akustika a kmity
- 2010 •
- O
Rok uplatnění
O - Ostatní výsledky
Temporal-spatial dispersion analysis of finite element method in implicit time integration
The temporal-spatial dispersion analysis for the linear finite element method is used as well as the consistentnmass matrix. The temporal-spatial dispersion relationships are derived in the closed form and analyzed due to errors...
Applied mechanics
- 2019 •
- D
Rok uplatnění
D - Stať ve sborníku
Temporal-spatial dispersion errors in fem modelling of wave propagation and implicit time integration
During the finite element modeling of wave propagation in solids, both the spatial and temporal discretization lead to dispersion errors. These nerrors introduce the dependency of the phase velocity of propagated wave on its frequ...
Applied mechanics
- 2018 •
- O
Rok uplatnění
O - Ostatní výsledky
The Differential Group Delay Impact on Optical Channel Bit Error Rate
This article describes the impact of polarization mode dispersion on optical fibre link. There is analysed PMD effect of bit error rate on optical channel that arecaused of polarization mode dispersion. It is not calculated...
JA - Elektronika a optoelektronika, elektrotechnika
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
SIMULATION OF MACHINE-GUN FIRE ON THE HELICOPTER
The probability of hitting the helicopter is determined by the technical dispersion of weapon andby the dispersion of aiming. The paper deals with the determination of errors of aiming at flying helicopter and also it is fo...
KA - Vojenství
- 2013 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Complex wavenumber Fourier analysis of the B-spline based finite element method
and Hermitian finite elements, and also the dispersion errors are smaller. The paper?s main of dispersion errors. Furthermore, the errors decrease in line with the increasing order of elastic wave propaga...
JR - Ostatní strojírenství
- 2014 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Dispersion properties of various finite element spatial discretization in one-dimensional elastic wave propagation
The dispersion errors of various finite element spatial discretization in one-dimensional elastic wave propagation is investigated.
BI - Akustika a kmity
- 2010 •
- O
Rok uplatnění
O - Ostatní výsledky
- 1 - 10 out of 24 827