Structural Dynamics
Expert-defined terms from the Certificate in Civil Structural Engineering (Portugal) course at London School of International Business. Free to read, free to share, paired with a professional course.
Acceleration refers to the rate of change of velocity of an object, it is a v… #
In the context of structural dynamics, acceleration is an important concept as it helps in understanding the behavior of structures under dynamic loads. Related terms include deceleration, velocity, and displacement.
Amplitude is the maximum displacement of a vibrating object from its equilibrium… #
The amplitude of vibration is an important parameter in structural dynamics as it helps in understanding the severity of vibrations. Related terms include frequency, period, and phase angle.
Angular frequency is the rate of change of angular displacement of an object, it… #
In the context of structural dynamics, angular frequency is an important concept as it helps in understanding the behavior of rotating structures. Related terms include linear frequency, resonance, and vibration.
Aspect ratio is the ratio of the length to the width of a structural element, it… #
In the context of structural dynamics, aspect ratio is an important parameter as it affects the stiffness and strength of the structure. Related terms include slenderness ratio, buckling, and instability.
Base isolation is a technique used to reduce the effects of earthquakes on struc… #
In the context of structural dynamics, base isolation is an important concept as it helps in reducing the seismic forces on structures. Related terms include seismic design, earthquake engineering, and structural control.
Bifurcation is a phenomenon where a structure suddenly changes its behavior from… #
In the context of structural dynamics, bifurcation is an important concept as it helps in understanding the nonlinear behavior of structures. Related terms include chaos theory, stability theory, and bifurcation theory.
Boundary condition is a constraint imposed on a structure at its boundary, it ca… #
In the context of structural dynamics, boundary conditions are important as they affect the behavior of the structure. Related terms include initial condition, interface condition, and constraint condition.
Buckling is a phenomenon where a structure suddenly collapses under a compressiv… #
In the context of structural dynamics, buckling is an important concept as it helps in understanding the stability of structures. Related terms include post-buckling, pre-buckling, and collapse.
Civil engineering is the branch of engineering that deals with the design, const… #
In the context of structural dynamics, civil engineering is an important field as it involves the design and construction of structures that are subject to dynamic loads. Related terms include structural engineering, mechanical engineering, and architectural engineering.
Computer #
aided design is a software tool used to create and modify digital models of structures, it is widely used in the field of structural engineering. In the context of structural dynamics, computer-aided design is an important tool as it helps in creating and analyzing digital models of structures. Related terms include finite element method, boundary element method, and computer-aided engineering.
Critical damping is the minimum amount of damping required to prevent oscilla… #
Related terms include underdamping, overdamping, and viscous damping.
Damping is the energy dissipation mechanism in a structure, it can be viscous… #
In the context of structural dynamics, damping is an important concept as it helps in understanding the behavior of structures under dynamic loads. Related terms include critical damping, subcritical damping, and supercritical damping.
Degree of freedom is the number of independent coordinates required to describe… #
Related terms include constraint, restraint, and support.
Displacement is the change in position of a structure, it can be translationa… #
In the context of structural dynamics, displacement is an important concept as it helps in understanding the behavior of structures under dynamic loads. Related terms include velocity, acceleration, and deformation.
Dynamic analysis is a method of analyzing structures under dynamic loads, it inv… #
In the context of structural dynamics, dynamic analysis is an important tool as it helps in understanding the behavior of structures under dynamic loads. Related terms include static analysis, modal analysis, and time history analysis.
Earthquake engineering is the branch of engineering that deals with the design a… #
In the context of structural dynamics, earthquake engineering is an important field as it involves the design and construction of structures that are subject to dynamic loads. Related terms include seismic design, earthquake resistant design, and disaster mitigation.
Eigenvalue is a scalar value that represents the frequency of vibration o… #
Related terms include eigenvector, modal analysis, and frequency analysis.
Energy dissipation is the process of converting kinetic energy into other… #
Related terms include damping, viscous damping, and frictional damping.
Equivalent static load is a static load that produces the same effect as a dynam… #
Related terms include dynamic load, static load, and equivalent load.
Fatigue is the process of damage accumulation in a structure due to repeated loa… #
Related terms include fatigue life, fatigue strength, and endurance limit.
Finite element method is a numerical method used to analyze structures, it invol… #
In the context of structural dynamics, finite element method is an important tool as it helps in understanding the behavior of structures under dynamic loads. Related terms include boundary element method, finite difference method, and computer-aided engineering.
Flexibility is the ability of a structure to deform under load, it is an importa… #
Related terms include stiffness, compliance, and deflection.
Force is a push or pull that causes a structure to deform, it can be static</… #
In the context of structural dynamics, force is an important concept as it helps in understanding the behavior of structures under dynamic loads. Related terms include load, stress, and strain.
Frequency is the number of oscillations per second of a vibrating structure, it… #
Related terms include period, amplitude, and phase angle.
Friction is the force that opposes motion between two surfaces in contact, it is… #
Related terms include static friction, kinetic friction, and viscous friction.
Hybrid simulation is a method of analyzing structures that combines experimen… #
Related terms include experimental method, numerical method, and validation method.
Impact is a sudden collision between two objects, it is an important concept in… #
Related terms include impulse, momentum, and energy.
Impulse is the product of force and time, it is an important concept in structur… #
Related terms include momentum, energy, and impact.
Inertia is the property of a structure to resist changes in its motion, it is an… #
Related terms include mass, velocity, and acceleration.
Inspection is the process of examining a structure to identify any damage or def… #
Related terms include monitoring, maintenance, and repair.
Kinematics is the study of the motion of objects without considering the forces… #
Related terms include kinetics, dynamic analysis, and motion analysis.
Load is an external force that is applied to a structure, it can be static</i… #
In the context of structural dynamics, load is an important concept as it helps in understanding the behavior of structures under dynamic loads. Related terms include force, stress, and strain.
Mass is a measure of the amount of matter in an object, it is an important conce… #
Related terms include weight, density, and inertia.
Material properties are the characteristics of a material that affect its behavi… #
In the context of structural dynamics, material properties are important as they affect the behavior of structures under dynamic loads. Related terms include mechanical properties, physical properties, and chemical properties.
Modal analysis is a method of analyzing structures by identifying their mode<… #
Related terms include mode shape, frequency, and eigenvalue.
Modeling is the process of creating a mathematical or physical representation of… #
Related terms include simulation, analysis, and validation.
Moment is a measure of the rotational force that causes an object to rotate, it… #
Related terms include torque, rotational motion, and angular momentum.
Momentum is the product of mass and velocity, it is an important concept in stru… #
Related terms include impulse, energy, and impact.
Natural frequency is the frequency at which a structure vibrates when it is not… #
Related terms include mode shape, frequency, and eigenvalue.
Newmark method is a numerical method used to solve the equations of motio… #
Related terms include Runge-Kutta method, finite difference method, and numerical integration.
Nonlinear analysis is a method of analyzing structures that takes into account t… #
Related terms include linear analysis, material nonlinearity, and geometric nonlinearity.
Numerical method is a method of solving mathematical problems using numerical te… #
Related terms include analytical method, finite element method, and boundary element method.
Optimization is the process of finding the best solution to a problem, it is an… #
Related terms include design optimization, structural optimization, and topology optimization.
Phase angle is the angle between the displacement and velocity of a vibrating st… #
Related terms include frequency, amplitude, and time history.
Plasticity is the ability of a material to deform permanently under load, it is… #
Related terms include elasticity, viscoelasticity, and viscoplasticity.
Post #
buckling is the behavior of a structure after it has buckled, it is an important concept in structural dynamics as it helps in understanding the behavior of structures under dynamic loads. Related terms include buckling, pre-buckling, and collapse.
Pre #
stress is the initial stress in a structure before it is subjected to any external loads, it is an important concept in structural dynamics as it helps in understanding the behavior of structures under dynamic loads. Related terms include pre-load, initial stress, and residual stress.
Random vibration is a type of vibration that is caused by random forces, it is a… #
Related terms include deterministic vibration, stochastic vibration, and probabilistic vibration.
Reliability is the ability of a structure to perform its intended function witho… #
Related terms include safety, risk, and uncertainty.
Resonance is the phenomenon where a structure vibrates at its natural fre… #
Related terms include amplification, frequency, and mode shape.
Response spectrum is a plot of the maximum response of a structure to a given in… #
Related terms include frequency response, transfer function, and system identification.
Rigid body is an object that does not deform under load, it is an important conc… #
Related terms include flexible body, deformable body, and constrained body.
Risk is the probability of a structure failing, it is an important concept in st… #
Related terms include safety, reliability, and uncertainty.
Safety is the ability of a structure to protect its occupants from harm, it is a… #
Related terms include risk, reliability, and uncertainty.
Seismic design is the process of designing structures to resist earthquakes</… #
Related terms include earthquake engineering, seismic analysis, and structural control.
Sensitivity analysis is the process of studying the effect of changes in input p… #
Related terms include uncertainty analysis, probability analysis, and reliability analysis.
Serviceability is the ability of a structure to perform its intended function wi… #
Related terms include strength, stability, and durability.
Shock is a sudden and intense force that is applied to a structure, it is an imp… #
Related terms include impact, impulse, and energy.
Simulation is the process of creating a mathematical or physical model of a syst… #
Related terms include modeling, analysis, and validation.
Static analysis is a method of analyzing structures under static loads, it is an… #
Related terms include dynamic analysis, modal analysis, and time history analysis.
Stiffness is the ability of a structure to resist deformation under load,… #
Related terms include flexibility, compliance, and deflection.
Strain is the measure of deformation of a material, it is an important concept i… #
Related terms include stress, deformation, and material properties.
Stress is the measure of force per unit area of a material, it is an important c… #
Related terms include strain, deformation, and material properties.
Structural control is the process of using control systems to reduce the… #
Related terms include seismic design, earthquake engineering, and structural health monitoring.
Structural health monitoring is the process of monitoring the condition of a str… #
Related terms include condition assessment, damage detection, and repair.
System identification is the process of determining the dynamic propertie… #
Related terms include modal analysis, frequency response, and transfer function.
Time history analysis is a method of analyzing structures by solving the equa… #
Related terms include dynamic analysis, modal analysis, and frequency response.
Topology optimization is the process of finding the optimal geometry of a… #
Related terms include shape optimization, size optimization, and material optimization.
Transfer function is a mathematical representation of the relationship between t… #
Related terms include frequency response, system identification, and modal analysis.
Uncertainty is the lack of knowledge about a system or its behavior, it is an im… #
Related terms include risk, safety, and reliability.
Validation is the process of verifying the accuracy of a mathematical or physica… #
Related terms include verification, calibration, and uncertainty analysis.
Velocity is the rate of change of displacement of an object, it is an important… #
Related terms include acceleration, displacement, and deformation.
Vibration is the oscillatory motion of a structure, it is an important concept i… #
Related terms include frequency, amplitude, and mode shape.
Viscoelasticity is the ability of a material to exhibit both viscous and… #
Related terms include viscoplasticity, elasticity, and plasticity.
Viscous damping is the energy dissipation mechanism in a structure that is cause… #
Related terms include critical damping, subcritical damping, and supercritical damping.
Wave propagation is the process of transmission of waves through a medium… #
Related terms include seismic wave, stress wave, and strain wave.
Wind engineering is the branch of engineering that deals with the design and con… #
Related terms include wind load, aerodynamics, and structural analysis.
Wind load is the force exerted by the wind on a structure, it is an important co… #
Related terms include wind engineering, aerodynamics, and structural analysis.