GB1129512A - Improvements in or relating to principal strain calculators - Google Patents

Improvements in or relating to principal strain calculators

Info

Publication number
GB1129512A
GB1129512A GB561265A GB561265A GB1129512A GB 1129512 A GB1129512 A GB 1129512A GB 561265 A GB561265 A GB 561265A GB 561265 A GB561265 A GB 561265A GB 1129512 A GB1129512 A GB 1129512A
Authority
GB
United Kingdom
Prior art keywords
moved
strain
lines
scale
slides
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
GB561265A
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.)
ELIA GABRIEL BRAHA
Original Assignee
ELIA GABRIEL BRAHA
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 ELIA GABRIEL BRAHA filed Critical ELIA GABRIEL BRAHA
Priority to GB561265A priority Critical patent/GB1129512A/en
Priority to FR43129A priority patent/FR1459698A/en
Publication of GB1129512A publication Critical patent/GB1129512A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

1,129,512. Calculating-apparatus. E. G. BRAHA. 7 Dec., 1965 [9 Feb., 1965], No. 5612/65. Heading G4B. A calculator having parts so arranged that when they are moved to positions representing the relative directions and magnitudes of three measured strains at a point on a body, the Mohr strain circle is determined. As illustrated in Fig. 1 scale 6 is moved to align with line L the point of scale S-S corresponding to the middle value read on the strain gauges. Slides T and R are moved so that edges Y-Y and X-X register with the other strain gauge values on scale S-S. Angular slides 8, 9 are then moved so that edge lines RB and LB respectively bisect perpendicularly the lines extending along scales A-A, C-C between line L and lines Y-Y, X-X. Lines LB, RB intersect at O which is the centre of the Mohr strain circle. A protractor (Fig. 2, not shown) may now replace slide (T) to measure the angle (a) between the plane of one of the principal strains and that of one of the measured strains. The angle between slides 8, 9 is adjustable to allow for varying angles of strain gauge rosette.
GB561265A 1965-02-09 1965-02-09 Improvements in or relating to principal strain calculators Expired GB1129512A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB561265A GB1129512A (en) 1965-02-09 1965-02-09 Improvements in or relating to principal strain calculators
FR43129A FR1459698A (en) 1965-02-09 1965-12-21 Instrument for calculating mohr stresses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB561265A GB1129512A (en) 1965-02-09 1965-02-09 Improvements in or relating to principal strain calculators

Publications (1)

Publication Number Publication Date
GB1129512A true GB1129512A (en) 1968-10-09

Family

ID=9799364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB561265A Expired GB1129512A (en) 1965-02-09 1965-02-09 Improvements in or relating to principal strain calculators

Country Status (2)

Country Link
FR (1) FR1459698A (en)
GB (1) GB1129512A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512271A (en) * 1968-06-28 1970-05-19 Univ Northwestern Mechanical device for representing mathematical and physical values and relationships

Also Published As

Publication number Publication date
FR1459698A (en) 1966-11-18

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