a simulation investigation on elliptical vibration

Design, control and cutting process for a three

Ultrasonic vibration-assisted cutting is a popular unconventional manufacturing process with lower cutting forces and less heat generation. Special tools are required to excite high-frequency vibrations at the tool tip during cutting; however, there is no ultrasonic vibration actuated tool holder for general-size milling or drilling tools reported in the literature. This thesis presents the

Investigation of the Unsteady Flow and Noise

[6] Terracol M. and Deck S., " Numerical Investigation of the Flow Around a Three-Element High-Lift Airfoil Using Two Zonal Hybrid RANS/LES Methods: ZDES and NLDE," Progress in Hybrid RANS–LES Modelling, Vol. 117, Notes on Numerical Fluid Mechanics

Simulation and experimental study on ultrasonic vibration

This aided the investigation of relative change in cutting forces, torque as well as exit burrs of ultrasonic vibration drilling in comparison to conventional drilling. The results show that ultrasonic vibration drilling of titanium alloy can reduce the axial force by about 20%, the torque by about 40% and the average cutting temperature by about 50%.

Development of a tertiary motion generator for elliptical

Simulation and experiments were carried out to perform a modal analysis of the system. Different design parameters were adjusted to achieve large vibration amplitudes in both tangential and normal directions. The elliptical vibration texturing process was

Defect suppression mechanism and experimental study on rotary

Then, the experimental platform including a self-designed contactless energy transfer and a vibration system for RUAD, vertical machining center platform and force measurement system is built. Finally, the cutting force and torque, hole defects and quality of hole wall obtained in both CD and RUAD are compared at the same process parameters, respectively.

Elliptical Engineering

The name of the company derives from the following definition of elliptical: of, relating to, or marked by extreme economy of speech or writing We have developed EllipTool to provide that same degree of economy in the development, analysis, and optimization of complex systems dynamics models.

Experimental investigation of flow

Dynamic response of elliptical cylinders undergoing transverse flow-induced vibration. Journal of Fluids and Structures, Vol. 89, Issue., p. 123. CrossRef Google Scholar Zhao, Jisheng Hourigan, Kerry and Thompson, Mark C. 2019. An experimental investigation of flow

Investigation of the Effect of Crabbing Velocity on Squeal Noise

method. The vibration characteristics of the lower wheel acquired from finite element analysis and modal tests correlate well with the results of sound recording [5]. Therefore, the investigation of the effect of crabbing velocity on wheel vibration can 2.2

Numerical analysis of vibration and transient behaviour of

techniques. It should be noted that the investigation of the fundamental frequency, including the time-dependent displacement responses of the layered com-posite structure, using the HSDT model and the sub-sequent validation with experimental and simulation

Development of a new type of elliptical/non

2019/1/11Taking its inspiration from traditional elliptical vibration cutting, this paper develops a type of elliptical/non-elliptical vibration coining (EVC/NEVC) for the cost-effective fabrication of functional microstructure surfaces that have a wide range of practical applications.

Investigation on natural frequency of an optimized

Investigation on natural frequency of an optimized elliptical container using real-coded genetic algorithm 1. 11(2014) 113 - 129 Abstract This study introduces a method based on real-coded genetic algo- rithm to design an elliptical shaped fuel tank.

Investigation of the Effect of Crabbing Velocity on Squeal Noise

method. The vibration characteristics of the lower wheel acquired from finite element analysis and modal tests correlate well with the results of sound recording [5]. Therefore, the investigation of the effect of crabbing velocity on wheel vibration can 2.2

Zhongjun Yin

Investigation of the energy dissipation of different rheology behaviors in a non-obstructive particle damper [J]. Powder Technology, v321, p270-275, November 2017 [7] Zhongjun Yin, Hang Zhang, Tian Han, Simulation of particle flow on an elliptical vibrating screen using discrete element Method [J].

Experimental investigation of flow

Dynamic response of elliptical cylinders undergoing transverse flow-induced vibration. Journal of Fluids and Structures, Vol. 89, Issue., p. 123. CrossRef Google Scholar Zhao, Jisheng Hourigan, Kerry and Thompson, Mark C. 2019. An experimental investigation of flow

Study on hydrodynamic vibration in fluidic flowmeter,

Study on hydrodynamic vibration in fluidic flowmeter Study on hydrodynamic vibration in fluidic flowmeter Wang, Chi-yu; Zou, Jun; Fu, Xin; Yang, Hua-yong 2007-08-01 00:00:00 The characteristics of the fluidic flowmeter, which is a combination of impinged concave wall and bistable fluid amplifier, is investigated by experimental studies and numerical simulations.

Investigating the Effect of Delamination Size, Stacking Sequences and Boundary Conditions on The Vibration

the vibration characteristics of spherical structure, cylindrical structure, elliptical structure, hyperboloid structure and flat structures of laminated curved composites. Higher order shear deformation theory was used to develop analytical model. Finite element

Design, control and cutting process for a three

Ultrasonic vibration-assisted cutting is a popular unconventional manufacturing process with lower cutting forces and less heat generation. Special tools are required to excite high-frequency vibrations at the tool tip during cutting; however, there is no ultrasonic vibration actuated tool holder for general-size milling or drilling tools reported in the literature. This thesis presents the

Simulation and Experiments of Material

His research interests include elliptical vibration cutting technology and the precise fabrication of functional micro/nano-structures on difficult-to-cut materials. In recognition of his practical research on the high-accuracy amplitude control sculpturing method in elliptical vibration cutting, he won the Japan Society for Precision Engineering's Young Researcher Award in 2015.

A novel investigation on horizontal and 3D elliptical

2020/4/13D elliptical ultrasonic vibration is developed for surface machining of CFRP. • RUSM with 3D elliptical ultrasonic vibration generates the smallest cutting force. • The horizontal and 3D elliptical ultrasonic vibrations improve the machining performance. • The critical

مقاله transverse vibraitions of clamped super

This paper present a theoretical investigation of Transverse vibrations of thin flat isotropic elastic super-elliptical plates under uniformly distributed in-plane loads and resting on a twoparameter Winkler-Pasternak foundation. Various plate shapes ranging from an

Two

It is recalled that the forced rotation applied to the cylinder is oriented in the opposite direction (counter-clockwise). The elliptical orbits are referred to as counter-rotating. An elliptical trajectory, typical of the galloping-like response region, is plotted in figure 12(a).

Simulation and Experiments of Material

His research interests include elliptical vibration cutting technology and the precise fabrication of functional micro/nano-structures on difficult-to-cut materials. In recognition of his practical research on the high-accuracy amplitude control sculpturing method in elliptical vibration cutting, he won the Japan Society for Precision Engineering's Young Researcher Award in 2015.

Comparative study for modal analysis of circular plates

An early investigation, along with a comprehensive, detailed survey on free vibration analysis of circular plates was carried out by Leissa [1] and Liew [2]. These researchers mainly used the classical lamination plate theory and first-order shear deformation theories.

Development of a tertiary motion generator for elliptical

Simulation and experiments were carried out to perform a modal analysis of the system. Different design parameters were adjusted to achieve large vibration amplitudes in both tangential and normal directions. The elliptical vibration texturing process was

Elliptical Leaf Spring Shock and Vibration Mounts with

We present an enhancement to the existing elliptical leaf spring (ELS) for improved damping and energy dissipation capabilities. The ELS consists of a high tensile stainless steel elliptical leaf spring with polymer or rubber compound. This device is conceived as a shock and vibration isolator for equipment and lightweight structures. The enhancement to the ELS consists of a lead spring

Investigation of the Effect of Crabbing Velocity on Squeal Noise

method. The vibration characteristics of the lower wheel acquired from finite element analysis and modal tests correlate well with the results of sound recording [5]. Therefore, the investigation of the effect of crabbing velocity on wheel vibration can 2.2

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