...Dong Xiang; Yinhua Shen; Yaozhong Wei; Mengxing You The dissipative contact force model plays a key role in predicting the response of multibody mechanical systems. Contact-impact event can frequently take place in multibody systems and the impact pair is often affected by supporting forces which...

... Multibody system dynamics Nonlinear dynamical systems Design optimization Robotics Impact Contact Friction modeling Numerical Integration methods Bio-mechanical systems Biological systems Dynamics Stability of nonlinear systems Design sensitivity Nonlinear systems Mechanism systems...

...Nicholas Candelino; Nader Jalili There have been a variety of attempts to model the quasi-static and high energy impact dynamics of vertically aligned carbon nanotube (VACNT) pads. However, very little work has focused on identifying the behavior at the midlevel frequencies that may occur...

...N. Dolatabadi; S. Theodossiades; S. J. Rothberg Piston impacts against the cylinder liner are the most significant sources of mechanical noise in internal combustion (IC) engines. Traditionally, the severity of impacts is reduced through the modification of physical and geometrical characteristics...

.... , 1983 , “ A Periodically Forced Piecewise Linear Oscillator ,” J. Sound Vib. , 90 ( 1 ), pp. 129 – 155 . 10.1016/0022-460X(83)90407-8 [2] Dyskin , A. V. , Pasternak , E. , and Pelinovsky , E. , 2012 , “ Periodic Motions and Resonances of Impact Oscillators ,” J. Sound Vib. , 331...

...; final manuscript received March 26, 2018; published online April 27, 2018. Assoc. Editor: Bernard Brogliato. 14 07 2017 26 03 2018 Impact Non-smooth dynamics Nonlinear dynamical systems Contact modeling Billiards, i.e., those dynamical systems modeling the free motion...

... ], which means that the methodology proposed in this study is correct. In dynamic simulation, the effect of joint clearance cannot be ignored. The existence of joint clearance may lead to impact force which is high-frequency oscillation. In addition, it can cause oscillation of the slider acceleration...

... manuscript received July 17, 2017; published online October 31, 2017. Assoc. Editor: Javier Cuadrado. 14 02 2017 17 07 2017 Algorithms Multibody system dynamics Non-smooth dynamics Impact Contact Friction modeling Numerical Integration methods The time-evolution...

... received August 21, 2017; published online October 31, 2017. Assoc. Editor: Corina Sandu. 09 12 2016 21 08 2017 Impact Reduced-Order models Structural dynamics Contact Friction modeling Current aircraft turbo-engines consist of multistage rotating bladed disks assemblies...

... to obtain the dynamic behavior of the system when it has no contact with the ground or any object in its environment (flying phase); and a set of algebraic equations is exploited when this tree-type robotic system collides with the ground (impact phase). The Gibbs–Appell (G–A) formulation in recursive form...

... 11 2016 10 07 2017 Chaotic dynamics Computational kinematics Non-smooth dynamics Nonlinear oscillations Impact Contact Friction modeling Dynamics Vibration During downhole drilling operations for extraction of oil and gas, different types of undesired vibrations occur...

... a framework that can be easily used with a variety of impact laws, however, in order to visualize jam and lift-off in a numerical simulation, we choose to use a recently developed energetic impact law as it is capable of achieving a unique forward solution in time. Further, we will use this framework...

... clapper types of behavior. The analysis is based on both a direct integration and a path-following of periodic solutions. We fix the yoke geometrical parameter l r  = −1.25 m and start our analysis from a low value of forcing torque, T  = 100 N·m, for which we do not observe any impacts. Then, we...

... 03 2017 Impact Nonlinear dynamical systems Contact modeling Galton board, or also known as quincunx, is a simple but ingenious mechanical device. It comprises a flat rectangular board with many interleaved horizontal rows of evenly spaced nails. The nails are mounted on a wooden...

.... In this case, the impact between the prosthesis and stapes is important. Therefore, the reconstructed middle ear is modeled as a two degree-of-freedom system with a nonlinear shape memory element and soft impact to represent its behavior when the prosthesis is not properly placed or fixed. The properties...

...M. R. W. Brake; P. L. Reu; D. S. Aragon The results of two sets of impact experiments are reported within. To assist with model development using the impact data reported, the materials are mechanically characterized using a series of standard experiments. The first set of impact data comes from...

...Barbara Blazejczyk-Okolewska; Krzysztof Czolczynski; Andrzej Okolewski A vibrating system with impacts, which can be applied to model the cantilever beam with a mass at its end and two-sided impacts against a harmonically moving frame, is investigated. The objective of this study is to determine...

...Ugo Andreaus; Paolo Baragatti; Maurizio De Angelis; Salvatore Perno Shaking table tests have been carried out to investigate the pounding phenomenon between a mass and two-sided shock absorbers, subject to sinusoidal excitations. In an effort to investigate the effectiveness of such an impact...

...Lindsay Moir; Davide Piovesan; Anne Schmitz Musculoskeletal simulations can be used to determine loads experienced by the ligaments and cartilage during athletic motions such as impact from a drop landing, hence investigating mechanisms for injury. An open-source discrete element knee model...

...Arindam Bhattacharjee; Anindya Chatterjee We study a ball-beam impact in detail; and in particular, we study the interplay between dissipation and modal truncation. With Hertzian contact between a solid ball and an Euler–Bernoulli beam model, we find using detailed numerical simulations that many...