搜索结果: 1-13 共查到“土木建筑工程 vibration.”相关记录13条 . 查询时间(0.031 秒)
Wireless Sensing and Vibration Control of Civil Structures
Wireless Sensing Vibration Control Civil Structures
2015/6/30
Significant advances have been made in deploying wireless sensors and sensing network technologies for monitoring the health and safety of civil structures [4]. For monitoring applications, sensors ar...
Analytical Modeling of Tree Vibration Generated during Cuttng Process
Analytical Modeling Three Vibration Generated Cutting Process
2014/10/22
There are several ways to cut down a tree. The piece by piece cutting method is studied in this research. By modeling the cutting process into simple dynamic models and obtaining governing equations o...
Simulation and Modelling of Smart Beams with Robust Control Subjected to Wind Induced Vibration
Smart Structures Finite Element Formulation Uncertainty Robust Performance Reduced Order Control
2013/1/31
This paper presents some recent developments in modelling and numerical analysis of piezoelectric systems and controlled smart structures based on a ?nite element formulation with embedded control. Th...
Modal identification of Shanghai World Financial Center both from free and ambient vibration response
Field tests Modal identifi cation High-rise building Random decrement Hilbert–Huang transform
2014/4/10
The Shanghai World Financial Center (SWFC), a currently built super high-rise building, is located in Lujiazui area. The height of this 101-storey building is 492 m above ground. A set of dynamic @...
Transverse Vibration of a Beam Under Constant Stress
Transverse vibration Dimensionless natural frequency Isotropic material
2009/10/14
In this study, transverse vibrations of a beam made of two materials and with a variable cross section
were investigated. Dimensionless natural frequency values of the system were found by the Raylei...
Nondestructive damage detection in large structures via vibration monitoring
Nondestructive damage detection large structures vibrational modes mode shapes
2009/2/20
In this paper Nondestructive Damage Detection (NDD) in large/complex structures is investigated via vibration monitoring of such structures. The theory of NDD for truss type structures is formulated. ...
Studies on free vibration of FRP aircraft Instruments panel boards
Instruments panel FRP Natural Frequency Free Vibration, Resonance
2009/2/19
The paper deals with the experimental investigations done on free vibration characteristics of typical FRP aircraft instrument panel boards made of E-glass /Poly vinyl ester composite. Seventeen panel...
A VIBRATION FINDING SURVEY OF EXISTING STEEL PENSTOCKS AND NATURAL FREQUENCY CALCULATION FORMULAE
steel penstock pressure pulsation resonance numerical analysis
2009/1/4
When a momentary pressure pulsation takes place in a turbine, and its frequency coincides with the natural frequency of a steel penstock, resonance occurs resulting in noticeable vibration. While the...
A VIBRATION FINDING SURVEY OF EXISTING STEEL PENSTOCKS AND NATURAL FREQUENCY CALCULATION FORMULAE
steel penstock pressure pulsation resonance numerical analysis
2008/12/31
When a momentary pressure pulsation takes place in a turbine, and its frequency coincides with the natural frequency of a steel penstock, resonance occurs resulting in noticeable vibration. While the...
FBG-BASED VIBRATION SENSOR USING GRAVITY EFFECTS FOR LARGE INFRASTRUCTURES
FBG accelerometer vibration sensor smart infrastructure
2008/12/25
A simple mechanism for a vibration sensor based on fiber Bragg grating (FBG) is proposed. The mechanism utilizes the gravity force to allow the maximum sensitivity of the sensor into vertical directi...
DYNAMIC RESPONSE ANALYSES AND MODEL VIBRATION TESTS ON SEISMIC ISOLATING FOUNDATION OF BRIDGE PIER
bridge pier dynamic response analysis model vibration test seismic isolating foundation sliding rocking lift-off
2008/12/23
In this study, the oscillation behavior and the aseismicity of bridge piers with isolating foundations are investigated. An isolating foundation is formed by installing isolation materials such as sa...
A METHOD TO REMOTELY MEASURE MICROTREMORS FOR VIBRATION DIAGNOSES OF RAILWAY STRUCTURES
LDV remote measurement microtremor vibration diagnosis railway viaduct
2008/12/22
An accurate method for remotely measuring structure microtremors is proposed by using an improved Laser Doppler Velocimeter (LDV). The remote microtremor measurements of a rigid-frame structure model...
VIBRATION-BASED DAMAGE DETECTION IN FLEXIBLE RISERS USING TIME SERIES ANALYSIS
flexible riser damage detection time series analysis AR-ARX prediction model
2008/12/19
In this paper, a statistical pattern recognition method based on time series analysis is implemented in flexible risers. This method uses a combination of Auto-Regressive (AR) and Auto-Regressive with...