... VIBRATORS FREQUENCIES COMPUTERS LOGGING PROCESSING OUTPUT ACCELEROMETERS WAVES MODELS STANDING OSCILLATORY STATIC PEAK VIBRATIONS TECHNIQUES METHODS ACCELERATION OSCILLATIONS TIMBER MAGNITUDE MODES IMMERSION LABORATORIES STUDIES Proc. Instn Cio.Engrs, Part 2, 1991,91, Sept., 603...

...M A M HERZOG © Thomas Telford and ICE 1990 AEROELASTIC STABILITY SUSPENSION BRIDGES METHODS AERODYNAMICS WIND ACTION SPEED CALCULATIONS SECTIONS MODELS TESTS RESISTANCE OSCILLATIONS FREQUENCIES TORSION BENDING DAMPING STIFFENING GIRDERS h o c . lnstn Civ. Engrs, Part...

..., 237-258. 135 DISCUSSION Bowers performs its calculation by approximate integration in the time domain. Although thereare subtle differences betweentime domain and frequency domain calculations, these can, in theory, be made equivalent. From this point of view, it is not appropriate toconsider...

... CALCULATIONS PLANAR FINITE ELEMENTS MODELS NODAL DEGREES FREEDOM BENDING THREE DIMENSIONAL NATURAL FREQUENCIES MODAL SHAPE MEASUREMENT TRANSIENT VIBRATIONS WIND TRAFFIC ACCELERATION VERTICAL VECTORS DYNAMICS DISPLACEMENT PSEUDO STATIC HUMBER BRIDGE CABLES SIDESPANS FLEXIBILITY...

.... W. Brownjohn,A. A. Dumanoglu, R.T. Severn and C. A. Taylor Mr J. D. Littler, Building Research Establishment The team from Bristol University have demonstrated that ambient vibration tests can be used to determine the natural frequencies and mode shapes of the lowest frequency modes of vibration...

... LATERAL TORSION DECKS TOWERS THEORY FREQUENCIES ANALYSIS TECHNIQUES DATA PROCESSING PROPERTIES MODAL SPECTRAL DAMPING HUMBER BRIDGE HUMBER HUMBER BRIDGE UK Proc. InstnCiv.Engrs, Part 2,1987,83, Sept., 561-600 PAPER 9173 SETNRUGCINTEUERRAINLG Ambient vibration measurementsof...

...MRC BURY © Thomas Telford and ICE 1987 TAYLOR WOODROW CONSTRUCTION LTD WAVES WATER LONG SURF ENERGY NEARSHORE SEA VELOCITY BEDS BEACHES DATA ANALYSIS EXPERIMENTS FREQUENCIES METHODS PREDICTION LONGSHORE CURRENTS BEHAVIOUR THEORY EQUATIONS Proc. Znstn Civ.Engrs...

...BR ELLIS; BRE © Thomas Telford and ICE 1986 BUILDING RESEARCH ESTABLISHMENT BRE DYNAMICS SOILS STRUCTURES INTERACTION BUILDINGS TALL ESTIMATES EFFECT QUANTITATIVE TESTS VIBRATIONS METHODS BASES STIFFNESS DATA THEORY EXPERIMENTAL EXPERIMENTS FREQUENCIES LIBRARIES...

... related to structural response or hydrodynamic loading. These will be important in scaling the model natural frequencies and the model response to turbulence or flow periodicity. If Froude number is used to set the velocity scale, and Strouhal number or reduced velocity is used to set the time-scale...

...FR MOUDARRES; A COULL; A RUTENBERG © Thomas Telford and ICE 1986 ISRAEL INSTITUTE OF TECHNOLOGY, HAIFA STRUCTURES VIBRATIONS FREE OUTRIGGERS BRACED CANTILEVER FLEXURAL CONSTRAINTS ROTATION CORES PROPERTIES FREQUENCIES COLUMNS RATIOS RIGIDITY SEISMIC TRANSFER MATRIX...

...FW WILLIAMS; MD BOND; L FERGUSSON; HOOKE UWIST UNIVERSITY OF WALES INSTITUTE OF SCIENCE AND TECHNOLOGY ACCURACY NATURAL FREQUENCIES FRAMES CLADDING MODES SUBSTITUTE SWAY METHODS COMPUTERS PROGRAMS DYNAMICS EQUIVALENT LAWS EXTENSIONS MEMBERS STABILITY BEAMS FUNCTIONS...

... and the fluid aspects of the system. Results show that, depending on theoverall stiffnessof the dam, itcsoupled natural frequencies,mode shapesand response are influenced by hydrodynamic and foundation interaction. Also, the effect of water compressibility is found to be small so that it may be neglected...

... COUPLING RESISTANCE AXIS EQUATIONS FREQUENCIES MODES SHAPE RESPONSES SEISMIC FORCES STRUCTURAL ELEMENTS ACTION STATIC DAMPING Proc. Instn CiuE. ngrs, Part 2,1982,13, June 45-64 TN 324 Evaluation of code torsionalprovisions for earthquakeresistant design of single storey buildingsw i t h t...

...AD FAIRWEATHER; BM SADGROVE; CIRIA © Thomas Telford and ICE 1982 CIRIA A JOHNSON NOISE PILING SOUND MEASUREMENT DECIBELS FREQUENCIES LEVELS CONTROL POLLUTION LEGISLATION ACTS VIBRATIONS GROUND BORNE NUISANCE CODES COSTS METHODS EFFECT h o c . Instn Civ. Engrs...

... AXISYMMETRIC UNDULATIONS INDEPENDENT FIRST ORDER FREQUENCIES GENERATION FORMULATION © Thomas Telford and ICE 1981 Proc. lnstn Ciu. Engrs, Part 2, 1981,71, Mar., 263-267 TN 276 Flow resonancesriginid pipes with regular longitudinal corrugations P. LATINOPOULOS, PhD* D. K. TOLIKAS, PhD* The method...

... is particularly concerned with the determination of natural frequencies and mode shapes from the eigenvalue equation K-'MXi =LiXi (2) where ,li = l/w?, wi and X i being theith natural frequency and mode shape, Written discussion closes 16 November, 1981,for publication in Proceedings, Part 2. * Formerly...

...BR ELLIS; BRE © Thomas Telford and ICE 1980 BRE BUILDING RESEARCH ESTABLISHMENT ASSESSMENT ACCURACY PREDICTION FUNDAMENTAL NATURAL FREQUENCIES BUILDINGS SIMPLE EMPIRICAL FORMULAE COMPUTERS OPTIMUM NON LINEAR CHARACTERISTICS SOILS STRUCTURES INTERACTION DYNAMICS...

... that the fundamental frequency and response per unit force applied were reduced as the water level rose, whereas the transfer of energy between buttresses increased. Since the upper frequency range of the exciters is 10 Hz,only the resonance frequencies below this value could be excited. Five modal frequencies were...

...LCH LAM; JH RAINER; RP LAM; AP JEARY; BRE © Thomas Telford and ICE 1980 BRE BUILDING RESEARCH ESTABLISHMENT NATIONAL RESEARCH COUNCIL CANADA EXPERIMENTAL BEHAVIOUR STEEL WIND ESTIMATES FREQUENCIES SPECTRA AMPLITUDE STUDIES TALL FRAMES SPEED DAMPING EXTRAPOLATION...

... PROBLEMS EFFECT PURE FINITE ELEMENTS MATRIX COMPONENTS EIGEN VALUES NATURAL SHAPE MATRICES TRANSFORMATION VARIATIONS CURVATURE COEFFICIENTS VALUE HARMONIC CONCRETE DYNAMICS VIBRATIONS SPEED FORCES METHODS VERTICAL NODAL TECHNIQUES FREQUENCIES REDUCED ITERATION TWIN SPANS DEPTH...