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The Malay (Latin) translation may be out of date because the Japanese source has changed. The existing translation remains available while it is being updated.
!PLASTIC¶
Takrif bahan plastik
Apabila !PLASTIC ditakrifkan, dalam !MATERIAL yang sama, !ELASTIC juga mesti ditakrifkan.
Parameter¶
YIELD = MISES (Lalai), Mohr-Coulomb, DRUCKER-PRAGER, USER
HARDEN = BILINEAR (Lalai), MULTILINEAR, SWIFT, RAMBERG-OSGOOD, KINEMATIC, COMBINED
DEPENDENCIES = 0 (Lalai) / 1
INFINITESIMAL Apabila ditentukan, andaian ubah bentuk infinitesimal digunakan
** Baris ke-2 dan seterusnya **
Apabila YIELD = MISES (Lalai)¶
** Apabila HARDEN = BILINEAR (Lalai) **
** Apabila HARDEN = MULTILINEAR **
** Apabila HARDEN = SWIFT **
** Apabila HARDEN = RAMBERG-OSGOOD **
** Apabila HARDEN = KINEMATIC **
** Apabila HARDEN = COMBINED **
Apabila YIELD = Mohr-Coulomb atau Drucker-Prager¶
** Apabila HARDEN = BILINEAR (Lalai) **
** Apabila HARDEN = MULTILINEAR **
HARDEN = diabaikan, dan nilai lalai (BILINEAR) digunakan. | Pemboleh ubah | Jenis | Keterangan |
|---|---|---|
| YIELD0 | R | Tegasan luluh awal |
| H | R | Pekali pengerasan |
| PSTRAIN | R | Terikan plastik |
| YIELD | R | Tegasan luluh |
| \(\varepsilon0, K, n\) | R | \(\overline{\sigma} = k\left( \varepsilon_{0} + \overline{\varepsilon} \right)^{n}\) |
| \(\varepsilon0, D, n\) | R | \(\varepsilon = \frac{\sigma}{E} + \varepsilon_{0}\left( \frac{\sigma}{D} \right)^{n}\) |
| \(\phi\) | R | Sudut geseran dalaman |
| \(\psi\) | R | Sudut dilatasi (lalai: nilai yang sama dengan \(\phi\)) |
| c | R | Kohesi |
| C | R | Pekali pengerasan kinematik linear |
| Temperature | R | Suhu (diperlukan apabila DEPENDENCIES=1) |
| v1, v2...v10 | R | Pemalar bahan |
** Apabila YIELD= USER **
Contoh penggunaan¶
!PLASTIC, YIELD=MISES, HARDEN=MULTILINEAR, DEPENDENCIES=1
276.0, 0.0, 20.
296.0, 0.0018, 20.
299.0, 0.0053, 20.
303.0, 0.008, 20.
338.0, 0.0173, 20.
372.0, 0.0271, 20.
400.0, 0.037, 20.
419.0, 0.0471, 20.
437.0, 0.0571, 20.
450.0, 0.0669, 20.
460.0, 0.0767, 20.
469.0, 0.0867, 20.
477.0, 0.0967, 20.
276.0, 0.0, 100.
276.0, 0.0018, 100.
282.0, 0.0053, 100.
295.0, 0.008, 100.
330.0, 0.0173, 100.
370.0, 0.0271, 100.
392.0, 0.037, 100.
410.0, 0.0471, 100.
425.0, 0.0571, 100.
445.0, 0.0669, 100.
450.0, 0.0767, 100.
460.0, 0.0867, 100.
471.0, 0.0967, 100.
128.0, 0.0, 400.
208.0, 0.0018, 400.
243.0, 0.0053, 400.
259.0, 0.008, 400.
309.0, 0.0173, 400.
340.0, 0.0271, 400.
366.0, 0.037, 400.
382.0, 0.0471, 400.
396.0, 0.0571, 400.
409.0, 0.0669, 400.
417.0, 0.0767, 400.
423.0, 0.0867, 400.
429.0, 0.0967, 400.
Pekali pengerasan kerja dikira melalui interpolasi daripada data masukan di atas untuk suhu atau terikan plastik yang ditentukan. Tatasusunan PSTRAIN yang sama mesti dimasukkan bagi setiap nilai suhu.