GB1129512A - Improvements in or relating to principal strain calculators - Google Patents
Improvements in or relating to principal strain calculatorsInfo
- 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
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.
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)
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 |
-
1965
- 1965-02-09 GB GB561265A patent/GB1129512A/en not_active Expired
- 1965-12-21 FR FR43129A patent/FR1459698A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1459698A (en) | 1966-11-18 |
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