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10 articles for “Spring-mass System”
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Analytical Solution to Bi-Linear Spring Mass Systems Free Vibration
Abstract: Dynamic systems are generally categorized as linear and non-linear systems based on the analysis approaches developed. Bi-linear spring mass systems form an intermediate category which possesses characteristics of both linear and non-linear systems. Analytical solutions to bi-linear systems cannot in general be reduced to a single equation covering the entire motion domain as in the case of linear systems. Nevertheless, the step-wise linear solutions can be obtained within each domain …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 21–35 Read article
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Analytical Solution to Non-Linear Spring Mass System Free Vibration through Stepwise Linearization
Abstract: Classical method of solution of free vibration of non-linear spring mass systems has been iterative in nature as no methodology has been developed so far to obtained close form solutions. Proper time step needs to be defined upfront for obtaining realistic convergent solutions. This involves thorough understanding of the system dynamics is essential and is very challenging to the engineers at times to obtain the solution. Many a time the …
Published in Journal of Aerospace Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 31–39 Read article
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Analytical Solution to Single Degree of Freedom Bi-Linear Spring Mass Systems Transient Vibration
Abstract: Conventional approach to solution of linear systems under transient vibration has been through Convolution integral or Duhamel integral method which employs the method of superposition of linear solutions to obtain the total solution. Principle of superposition is not possible for non-linear systems and hence transient vibration solution cannot be obtained through classical methods. Nevertheless, the solution to transient vibration for each domain can be obtained as a sum of homogeneous …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 7–18 Read article
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Experimental Setup to Evaluate Force Exerted by Water Jet Entering Tangentially on Curved Surface
Abstract: The purpose of this paper is to design and implement an experimental setup to find the value of vertical and horizontal forces when water jet impacts tangentially on a curved surface of 30, 45 and 600. The paper gives design details of all components designed using SolidWorks and their assembly to get the final experimental setup, which is to be used to find the value of vertical and horizontal forces. …
Published in Recent Trends in Fluid Mechanics · Vol. 3, Issue 2, 2016 · pp. 12–20 Read article
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Parameter Identification of Vibrating MIMO Mass-Spring-Damper Mechanical Systems with Coulomb Friction
Abstract: This study presents a time-domain method for identifying parameters in multi-degree-of-freedom (DOF) linear mass-spring-damper systems that include Coulomb friction, where the friction coefficient varies within a limited range, using measurements of position and control force. For mass identification in single-degree-of-freedom (DOF) vibrating mechanical systems with stiffness and no damping but Coulomb friction, the friction term is eliminated by first derivative processing. In addition, the identification of the coefficient of friction …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 3, Issue 1, 2025 · pp. 20–34 Read article
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Vortex-Induced Vibration of a Circular Cylinder at Low and Subcritical Reynolds Numbers-Part I: Low Reynolds Numbers
Abstract: The vortex-induced vibration of a circular cylinder at low and low subcritical Reynolds numbers is studied numerically over wide ranges of the influencing parameters. The cylinder dynamics is modeled using a spring-damper-mass system and the fluid dynamics is simulated using the two-dimensional approximation. An implicit, collocated moving grid finite volume algorithm implemented on an unstructured triangular mesh is adopted to solve the fluid dynamic equations. The numerical simulation confirms that …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 35–60 Read article
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Design and Analysis of Double Wishbone Suspension for Formula Student Car
Abstract: By getting to know the fundamental ideas of suspension systems and mechanical procedure, this project aims to present an insight in to designing the car suspension and its mathematical model with the chassis and make foundation in vector theory was established and applied to the new method so as to work out the positions of all exterior elements relative to the chassis. Again when the geometry and layout of the …
Published in Trends in Machine design · Vol. 8, Issue 2, 2021 · pp. 30–40 Read article
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Design and Optimization of Locomotive Suspension System Using Ant Colony Optimization
Abstract: The objective of design and optimization of helical spring is weight reduction with adequate strength and stiffness. Weight reduction of helical spring will contribute to the reduction of unsparing mass. This will help in improving the vibration characteristics and hence, the riding qualities of a train. Optimization is the act of obtaining the best result under given circumstances. Conventional design aims at finding an acceptable design which merely satisfies the …
Published in Trends in Machine design · Vol. 3, Issue 2, 2016 · pp. 44–49 Read article
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Design and Simulation of MEMS-based Piezoelectric Accelerometer
Abstract: In this work, the modelling and design of a Micro Electro Mechanical Systems (MEMS) uniaxial accelerometer has been presented. The design of the sensor includes sensing acceleration in the x-direction only. The device achieves this function using a proof mass suspended through four spring structure. The device dimensions are finalized mathematically and the simulated using Finite Element Analysis. The structure is simulated with and without piezoelectric material ZnO and a …
Published in Recent Trends in Sensor Research & Technology · Vol. 1, Issue 2, 2014 · pp. 16–19 Read article
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Concept of Hemiplegia (Falij-e-Nisfi) in Unani System of Medicine: A Comprehensive Review
Abstract: Falij is derived from an Arabic word Falj which literally means splitting into halves. It is the paralysis of a longitudinal half of the body starting either below the neck, sparing head & face or covering the entire longitudinal half of the body from head to toe. It is analogous with Hemiplegia occurring due to stroke. There are almost 4.7 million stroke survivors in the United States, and approximately 780,000 …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 9, Issue 2, 2019 · pp. 37–41 Read article