Question

03: (8%) Define the following: Strain gauge, dial gauge, Danmping of vibration, Resonance, Shear locking in Finite Element analysis, Compact steel section, Forced vibration, Linear Variable Differential Transformer (LVDT).

Answer 1

uge Stam t i a Yesistance vasuies with appled bensor whose Conveuts force prestte, tenvon, etc nto a dhange electnical Hesisance which measured When exteynal foces Can than be sheis and skaun aro the Yesutt. apptied to a aYe 22 Dia gauge An indsument Consstig e/ cireular pointer Calbrated dial ard a rachoted a memberat dntacts urh the part be Octualed the inear dis placements entrev in honizontal/verha drenelion- Ayokm'senegy dicsipated by (danjer) this ptocass gy dllasipahon geney is knton as means , Dampiy viaon'- when the oT Some absorber dlamped Ayskm vibraten dmping frequeny Araqueny exlemaly eden when the 4 RetonanceIn at an J wheh thot force i> applied ii equal to the natrval (alled a Yesononte has oreured the Loching 1s an artehct Lothing in stuttural Caleulobors !- Shear n finite ement Sher finite element methods when he shuctune dejormatons ix benting ehough alement acro t tkneu oY elements crie shel, the lendey beam or man Ord there not antdistoedoge aet ratie)

69 Compact Steel setion-> 7he CYOs Serton teel shapes Hend to onslst f ausembly .g thin plates I the Compact clasited Cn introdluces! Steel hecton member CYas fectons Ce prioy- secten On the width/tu'ckn ess Yatias j f« pale elements that make up beig Compact,non-Compat OY Berdy baud ther croAsetHons epea tedly afplied to yste m to keep t m a sate y onthnuous vibvarhion mpended 7 Forced Vibra ton Th vibrahon which ave These OYe exkmally fovced bratón ushkh km vanable an elchto- A> Linear Differental Transomer (ivoT)!- A LVDT vibtathns Mechanl cofensor used to Convent mechanal motion Vasiable electvical Cuwunt, Voltge Specif'ally tecthlinear motkn , into a avd thu Yeverse rals clechie OY