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Steady and Unsteady simulation

Steady and unsteady simulation of Aerostabil windtunnel experiments

Steady and unsteady simulation of Aerostabil windtunnel experiments

... aerodynamic pressures. Figure 9 shows for three different reduced frequencies the pressure derivatives for the middle pressure tab section. 5.2.2 Forced Motion Results for Transonic Flow Setting Since the previous ...

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Steady and Unsteady Simulation of Lower Bari Doab Canal using SIC Model

Steady and Unsteady Simulation of Lower Bari Doab Canal using SIC Model

... canal simulation models are representations of physical irrigation systems in computer which can be calibrated to simulate and optimize the actual canal hydraulics and operational ...hydraulic simulation of ...

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Contribution to the development of an adaptive solver for numerical simulation of steady and unsteady flows

Contribution to the development of an adaptive solver for numerical simulation of steady and unsteady flows

... zur Simulation reibungsfreier und reibender Str¨omungen kleiner Machzahl um Pro- file in Reise- und Hochauftriebskonfiguration ...durch Simulation instation¨arer, rei- bungsfreier Str¨omung um ein nickendes ...

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A Simple Strategy for Capturing the Unstable Steady Solution of an Unsteady Flow

A Simple Strategy for Capturing the Unstable Steady Solution of an Unsteady Flow

... the unsteady flow-field ...approximate simulation. With regard to the physical unsteady flow, such as periodic flow, vortex shedding, and high angle of attack separation flow, the strength of its ...

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A Quasi-Steady Flexible Launch Vehicle Stability Analysis Using Steady CFD with Unsteady Aerodynamic Enhancement

A Quasi-Steady Flexible Launch Vehicle Stability Analysis Using Steady CFD with Unsteady Aerodynamic Enhancement

... combines steady and unsteady ...quasi- steady line loads was made with a time marching aeroelastic analysis with ...The unsteady FUN3D aeroelastic analysis showed the aerodynamics of the first ...

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Steady and Unsteady Flow inside a Centrifugal Pump for Two Different Impellers

Steady and Unsteady Flow inside a Centrifugal Pump for Two Different Impellers

... Numerical simulation of the whole machine (impeller, vaneless diffuser and volute) is performed using CFX-Tascflow commercial ...rotor simulation model is used for the steady state calculations and ...

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Numerical study of the steady/unsteady multibody interaction in ship propulsion systems

Numerical study of the steady/unsteady multibody interaction in ship propulsion systems

... solver and applied the scheme to a self-propulsion simulation of the DARPA sub-off. The results show good agreements under open-water conditions and straight-ahead conditions but begin to diverge at large wake ...

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Active control of a stalled airfoil through steady or unsteady actuation jets

Active control of a stalled airfoil through steady or unsteady actuation jets

... numerical simulation targeted at the extraction of the leading ...separated unsteady flows can be controlled by periodic blowing-suction near the leading edge, even at low level power input ...coupled ...

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A comparative study of various adaptive meshless methods for steady and unsteady flow calculations

A comparative study of various adaptive meshless methods for steady and unsteady flow calculations

... © 2016 Sharif University of Technology. All rights reserved. 1. Introduction In the recent years, researchers have tried to solve the ows with complex stationary and/or moving boundaries by using Euler and Navier-Stokes ...

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Steady and Unsteady Performance of a Transonic Compressor Stage with Non-Axisymmetric End Walls

Steady and Unsteady Performance of a Transonic Compressor Stage with Non-Axisymmetric End Walls

... Possible applications will be addressed in the outlook section. Subsequently, the same process chain was applied to the rotor hub end wall of Configuration I of the Darmstadt Transonic Compressor. Several optimization ...
Matrix Formulation of Steady/Unsteady-State Models in Complex Pressurized Pipe Systems.

Matrix Formulation of Steady/Unsteady-State Models in Complex Pressurized Pipe Systems.

... the simulation but are not suited for complex arbitrarily configured ...between steady-state Global Gradient Approach (GGA) and the unsteady- state and NAMM formulation are ...

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STEADY STATE MODELING AND SIMULATION OF HYDROCRACKING REACTOR

STEADY STATE MODELING AND SIMULATION OF HYDROCRACKING REACTOR

... In the hydrocracking unit, simulation of the model is extremely difficult. By using lumped scheme technique, model can be simulated easily. Lumping shows very typical reaction pathways. The results can be used in ...

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Finite volume simulation of unsteady water pipe flow

Finite volume simulation of unsteady water pipe flow

... numerical simulation in urban pipe systems may require to model transitions between surface flow and pressurized flow in steady and transient ...numerical simulation tool is developed, capable of ...

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Simulation of a 3D unsteady flow in an axial turbine stage

Simulation of a 3D unsteady flow in an axial turbine stage

... 3.2 T URBULENT MODEL The effect of the secondary flow structures is modeled using a simplified model of three-dimensional turbulent flow using the "frozen rotor" technique. When using this technique, the rotor is not moving ...

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NUMERICAL SIMULATION OF UNSTEADY WIND-INDUCED CONDUCTOR OSCILLATIONS

NUMERICAL SIMULATION OF UNSTEADY WIND-INDUCED CONDUCTOR OSCILLATIONS

... The important part of the conductor dynamics simulation is the aerodynamic loads computation. The flat cross-section method is usually adopted, i.e. the flow around each conductor cross-section is assumed to be ...

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Numerical Simulation of Unsteady Hydrodynamics in the Lower Mississippi River

Numerical Simulation of Unsteady Hydrodynamics in the Lower Mississippi River

... code is written in FORTRAN and can be obtained and altered to fit the user’s needs. The model requires a PC-DOS operating system with at least a 640K limit (HEC-6, 2008). Inputs are entered using a single input data ...

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An algorithm to estimate unsteady and quasi steady pressure fields from velocity field measurements

An algorithm to estimate unsteady and quasi steady pressure fields from velocity field measurements

... Low pressure in the wake vortices is captured, but the high–low pressure couples on the body surface due to the body added mass are missing entirely, as is the high pressure in the wake due to vortex added mass (Dabiri, ...

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An investigation of turbulent steady streaming by large eddy simulation

An investigation of turbulent steady streaming by large eddy simulation

... An attempt was also made to explore the unsteady nature of turbulent streaming by looking more closely at the turbulent dissipation imbalance caused by mean flow asymmetry. While there existed some agreement to ...

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A hybrid model for large scale simulation of unsteady nonlinear waves

A hybrid model for large scale simulation of unsteady nonlinear waves

... Ocean surface waves are generated due to different physics, for example, tide by gravitational forces from the moon and sun, tsunami by seaquake or landslides, and swell by wind-water resonance, and so on. The restoring ...

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Artificial boundary conditions for the numerical simulation of unsteady acoustic waves

Artificial boundary conditions for the numerical simulation of unsteady acoustic waves

... posed lacunae-based ABCs are obtained directly for the discrete formulation of the problem, and can supplement any consistent and stable finite-difference scheme. In other words, they bypass the common stages of first ...

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