CA919941A - Apparatus for measuring the damping characteristics of a structure - Google Patents

Apparatus for measuring the damping characteristics of a structure

Info

Publication number
CA919941A
CA919941A CA071925A CA71925A CA919941A CA 919941 A CA919941 A CA 919941A CA 071925 A CA071925 A CA 071925A CA 71925 A CA71925 A CA 71925A CA 919941 A CA919941 A CA 919941A
Authority
CA
Canada
Prior art keywords
measuring
damping characteristics
damping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA071925A
Other languages
English (en)
Inventor
Henry A. Cole, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Aeronautics and Space Administration NASA
Original Assignee
National Aeronautics and Space Administration NASA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Aeronautics and Space Administration NASA filed Critical National Aeronautics and Space Administration NASA
Application granted granted Critical
Publication of CA919941A publication Critical patent/CA919941A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA071925A 1969-01-24 1970-01-12 Apparatus for measuring the damping characteristics of a structure Expired CA919941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79377169A 1969-01-24 1969-01-24

Publications (1)

Publication Number Publication Date
CA919941A true CA919941A (en) 1973-01-30

Family

ID=25160747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA071925A Expired CA919941A (en) 1969-01-24 1970-01-12 Apparatus for measuring the damping characteristics of a structure

Country Status (5)

Country Link
US (1) US3620069A (fr)
JP (1) JPS5130791B1 (fr)
CA (1) CA919941A (fr)
FR (1) FR2030180A1 (fr)
GB (1) GB1301391A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800893A (en) * 1972-09-05 1974-04-02 Campbell Soup Co Weighing apparatus and method
US3878710A (en) * 1973-10-04 1975-04-22 Itt Densitometer
US4031744A (en) * 1975-04-25 1977-06-28 Kaman Aerospace Corporation Method and apparatus for analyzing a damped structural specimen
US4011507A (en) * 1975-11-10 1977-03-08 Burroughs Corporation Full cycle current detector
US4908785A (en) * 1985-08-16 1990-03-13 The Boeing Company Data compression method for telemetry of vibration data
JPS6428872U (fr) * 1987-08-18 1989-02-21
WO1991019173A1 (fr) * 1990-06-01 1991-12-12 Technology Integration And Development Group Incorporated Procede pour evaluer l'integrite structurale de structures composites
US5136881A (en) * 1990-08-16 1992-08-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Measurement of waves in flows across a surface
JPH0717058U (ja) * 1993-09-07 1995-03-28 晴彦 草川 魚釣り用くるくる集魚板
US6507804B1 (en) 1997-10-14 2003-01-14 Bently Nevada Corporation Apparatus and method for compressing measurement data corelative to machine status
US6026348A (en) * 1997-10-14 2000-02-15 Bently Nevada Corporation Apparatus and method for compressing measurement data correlative to machine status
FR2961333B1 (fr) * 2010-06-14 2012-06-08 Eurocopter France Procede de surveillance de l'efficacite d'un amortisseur et dispositif pour mettre en oeuvre ledit procede
RU2715222C1 (ru) * 2019-02-07 2020-02-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" Способ определения упруго-диссипативных характеристик древесины

Also Published As

Publication number Publication date
DE2002633B2 (de) 1977-03-17
DE2002633A1 (de) 1970-07-30
JPS5130791B1 (fr) 1976-09-02
GB1301391A (fr) 1972-12-29
US3620069A (en) 1971-11-16
FR2030180A1 (fr) 1970-10-30

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