Law et al., 2000 - Google Patents

Study on different beam models in moving force identification

Law et al., 2000

Document ID
7464643560223243668
Author
Law S
Zhu X
Publication year
Publication venue
Journal of sound and vibration

External Links

Snippet

Several methods have been developed recently to identify moving forces on a beam. The results from all of them exhibit fluctuations at the beginning and end of the time history and they are natural outcomes of the ill-conditioned inverse problem. Accuracy of the identified …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Testing of vehicles of wheeled or endless-tracked vehicles
    • G01M17/0072—Testing of vehicles of wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, e.g. due to impact, work, mechanical power, or torque, adapted for special purposes
    • G01L5/16—Apparatus for, or methods of, measuring force, e.g. due to impact, work, mechanical power, or torque, adapted for special purposes for measuring several components of force
    • G01L5/161—Apparatus for, or methods of, measuring force, e.g. due to impact, work, mechanical power, or torque, adapted for special purposes for measuring several components of force using variations in ohmic resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/02—Vibration-testing by means of a shake table
    • G01M7/025—Measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress in general
    • G01L1/24—Measuring force or stress in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress in general
    • G01L1/20—Measuring force or stress in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electro-kinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electro-kinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress in general
    • G01L1/14—Measuring force or stress in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges, air-craft wings

Similar Documents

Publication Publication Date Title
Law et al. Study on different beam models in moving force identification
Zhu et al. Moving forces identification on a multi-span continuous bridge
Zhu et al. Identification of vehicle axle loads from bridge dynamic responses
Law et al. Moving force identification: optimal state estimation approach
Chan et al. An interpretive method for moving force identification
Zhu et al. Wavelet-based crack identification of bridge beam from operational deflection time history
Zhu et al. Dynamic load on continuous multi-lane bridge deck from moving vehicles
Law et al. Vehicle axle loads identification using finite element method
Law et al. Moving force identification: a time domain method
Law et al. Regularization in moving force identification
Chan et al. Moving force identification studies, I: theory
Wu et al. Dynamic responses of structures to moving bodies using combined finite element and analytical methods
Marchesiello et al. Dynamics of multi-span continuous straight bridges subject to multi-degrees of freedom moving vehicle excitation
Yu et al. Recent research on identification of moving loads on bridges
Elhattab et al. Drive-by bridge damage monitoring using Bridge Displacement Profile Difference
Zhu et al. Orthogonal function in moving loads identification on a multi-span bridge
Law et al. Time-varying wind load identification from structural responses
Zhu et al. Moving load identification on multi-span continuous bridges with elastic bearings
González et al. A general solution to the identification of moving vehicle forces on a bridge
Law et al. Moving load identification on a simply supported orthotropic plate
Chan et al. Comparative studies on moving force identification from bridge strains in laboratory
Chan et al. Moving force identification studies, II: comparative studies
Zhu et al. Practical aspects in moving load identification
Malm et al. Field testing and simulation of dynamic properties of a tied arch railway bridge
Gašić et al. Consideration of moving oscillator problem in dynamic responses of bridge cranes