lumped mass
Finite Element and Lumped Mass Structure Modelling for SPRAs
... as lumped mass structural models (LMSMs)) to represent the safety-related structures, both for the original seismic design basis and for subsequent beyond design basis efforts, such as for the Individual ...
8
On mooring line tension and fatigue prediction for offshore vertical axis wind turbines : a comparison of lumped mass and quasi-static approaches
... Abstract – Despite several potential advantages, relatively few studies and design support tools have been developed for floating VAWTs. Due to the substantial aerodynamics differences, the analyses of VAWT on floating ...
13
Performance evaluation of vehicle front structure in crash energy management using lumped mass spring system
... solid mass(es), spring(s) and/or damper(s) known as lumped mass spring (LMS) ...solution. Lumped mass spring system ap- proach provides holistic and handy information on the dynamics of ...
18
Validation of Lumped Mass Lateral Cantilever Shaft Vibration Simulation on Fixed-Pitch Vertical-Axis Ocean Current Turbine
... the mass matrix, name- ly: (a) lumped mass for the translation, (b) lumped mass for the translation and rotation, and (c) consistent mass - distributed mass ...of ...
9
Dynamic Response of Submerged Vertical Cylinder with Lumped Mass under Seismic Excitation
... the mass of equipment at the top of offshore structure which is simulated as lumped mass on the responses of offshore ...of lumped mass is ...
10
Numerical Modelling of Trawl Net Considering Fluid-Structure Interaction Based on Hybrid Volume Method
... In this paper, trawl net is discretized into a series of interconnected spring-mass-damping units based on lumped mass method (Figure 1). External forces, such as hydrodynamics, buoyancy and gravity, ...
12
Study on a simulation analysis of nuclear reactor building for Surugawan Earthquake
... a lumped mass soil-structure model (lattice model) with a viscous boundary and the 3D FEM model of the entire building (Entire Building 3D FEM Model), and the 3D FEM model representing the structure from ...
10
An efficient and accurate MEMS accelerometer model with sense finger dynamics for applications in mixed technology control loops
... proof mass moves (see Fig- ure ...order lumped Mass-Damper-Spring equation is used to model the mechan- ical sensing element, cannot capture the effect of the sense finger ...
5
A study on seismic behavior of nuclear power building in strong nonlinear area and fragility evaluation using 3 dimensional FEM Part-2 Fragility evaluation
... As the fracture modes, the shear failure of the web wall and the flexural failure and the compressive failure of the flange wall were assumed. The fragility curves of the FEM model and lumped mass model in ...
7
A study of comparison of steel silos under influence of dynamic loading in accordance with is 1893:2002
... material. Other potential loads, including seismic loads, calculation of seismic load consider silo self weight and material stored in it as a lumped mass and seismic effect of this mass is ...
7
Simulation Analysis using 3-D Nonlinear FEM model for Onagawa Unit 2 Control Building at the time of the 2011 off the Pacific coast of Tohoku Earthquake
... The analysis model is constructed with the seismic shear walls and floor represented by laminated shells, the columns and beams represented by beam elements, and the roof truss with rod elements (see Figure 7). The soil ...
10
EFFECT OF BENDING RIGIDITY OF MARINE CABLES ON THE DYNAMIC STABILITY OF TWO-PART UNDERWATER TOWING SYSTEM
... Figure 11 shows the variation of heave ratio with respect to the diameter of the cable. In the first case the bending rigidity of the cable was also taken into consideration in the lumped mass spring model ...
10
Comparison of base isolated liquid storage tank models under bi directional earthquakes
... as for normal building structure, since the inside liquid influences its behavior largely. Therefore, appropriate modeling of the liquid storage tanks is essential for dy- namic analysis and seismic response evaluation. ...
11
Computer simulation and investigation of underwater two part and multi tow systems
... load operator length of cable segment "i" length of fish length of the smallest element in the lumped mass model wavelength mass terms mass matrix mass of node "i", ie.. the addition of [r] ...
413
Thermal Characterization of a Bed of Ceramic Particles in a Transient Thermal Environment.
... “lumped mass” like temperature-time behavior. As such, a simple lumped analysis method was developed to predict the behavior of the particle bed with relatively high ...a lumped capacitance ...
53
Seismic SSI analysis comparison between detailed and discretized modeling of an auxiliary control building
... This paper presents the results of a seismic SSI analysis of an Auxiliary/Control Building (ACB) using both lumped mass stick and detailed 3-dimension Finite Element (FE) representations of the structure. ...
15
A Study of the Effect of Floor Flexibility on Building Response using the KK NPP Experience
... single-axis lumped mass stick model was developed for the simplified reactor building based on the properties of the shell ...concentrated mass element is placed at each floor elevation to represent ...
10
Instabilities and dynamics of elastic rods in the presence of movable constraints
... The presence of configurational forces acting on elastic struc- tures has been theoretically proven within a dynamic frame- work, extending a previous proof restricted to the quasi-static case [3]. The sudden release ...
132
Active control of rotor vibrations by means of piezoelectric actuators
... the lumped mass moves in an orbit with a maximum radius of 60 µm while the journal moves in an orbit with a maximum radius of 20 µm ...the lumped mass has a flat elliptical orbit the greater ...
8
Effect of Structural Modelling on the Response of a Reactor Building under Incoherent Seismic Ground Motion Excitation
... for lumped-mass stick and 3D detailed finite-element structural models; surface and embedded foundations; different number of frequency response calculation points; different number of considered eigenmodes ...
10