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  2. Structure factor - Wikipedia

    en.wikipedia.org/wiki/Structure_factor

    In condensed matter physics and crystallography, the static structure factor (or structure factor for short) is a mathematical description of how a material scatters incident radiation. The structure factor is a critical tool in the interpretation of scattering patterns ( interference patterns ) obtained in X-ray , electron and neutron ...

  3. Factor of safety - Wikipedia

    en.wikipedia.org/wiki/Factor_of_safety

    There are two definitions for the factor of safety (FoS): The ratio of a structure's absolute strength (structural capability) to actual applied load; this is a measure of the reliability of a particular design. This is a calculated value, and is sometimes referred to, for the sake of clarity, as a realized factor of safety.

  4. Structural load - Wikipedia

    en.wikipedia.org/wiki/Structural_load

    A structural load or structural action is a ... a dead load factor may be 1.2 times the weight of the structure, and a live load factor may be 1.6 times the maximum ...

  5. Limit state design - Wikipedia

    en.wikipedia.org/wiki/Limit_state_design

    Limit State Design (LSD), also known as Load And Resistance Factor Design (LRFD), refers to a design method used in structural engineering. A limit state is a condition of a structure beyond which it no longer fulfills the relevant design criteria. [ 1 ]

  6. Structural engineering theory - Wikipedia

    en.wikipedia.org/wiki/Structural_engineering_theory

    Strength depends upon material properties. The strength of a material depends on its capacity to withstand axial stress, shear stress, bending, and torsion.The strength of a material is measured in force per unit area (newtons per square millimetre or N/mm², or the equivalent megapascals or MPa in the SI system and often pounds per square inch psi in the United States Customary Units system).

  7. Strength of materials - Wikipedia

    en.wikipedia.org/wiki/Strength_of_materials

    A factor of safety is a design criteria that an engineered component or structure must achieve. = /, where FS: the factor of safety, Rf The applied stress, and F: ultimate allowable stress (psi or MPa) [13] Margin of Safety is the common method for design criteria. It is defined MS = P u /P − 1.

  8. Structural engineering - Wikipedia

    en.wikipedia.org/wiki/Structural_engineering

    Structural engineering is a sub-discipline of civil engineering in which structural ... is the real length of the column and K is the factor dependent on the ...

  9. Q factor - Wikipedia

    en.wikipedia.org/wiki/Q_factor

    The Q factor is a parameter that describes the resonance behavior of an underdamped harmonic oscillator (resonator). Sinusoidally driven resonators having higher Q factors resonate with greater amplitudes (at the resonant frequency) but have a smaller range of frequencies around that frequency for which they resonate; the range of frequencies for which the oscillator resonates is called the ...