Wrc-1992 Diagram Calculator ›

Problem:
A deck penetration (10" Sch 40, OD 273 mm, T = 9.3 mm) has a 4" branch (OD 114 mm, t = 6.0 mm) subject to an in-plane bending moment of 5,000 Nm. Find the local stress.

Solution using the calculator (spreadsheet emulation): wrc-1992 diagram calculator

When using a WRC-1992 Calculator, the output is generally interpreted as follows: Problem: A deck penetration (10" Sch 40, OD 273 mm, T = 9

While some ferrite is beneficial, too much (often above 10–15 FN) can be detrimental. It can lead to: Nominal section modulus of run pipe = (

The core of the calculator relies on the specific coefficients defined by the WRC-1992 standard:

| Feature | WRC-1992 (Bulletin 107) | PD 5500 (UK) | ASME Section VIII Div. 2 | |---------|------------------------|--------------|---------------------------| | Scope | Cylinder-cylinder intersections | Cylinder-cylinder and flat head | Vessels + nozzles | | Output | Peak stress for fatigue | Mean stress for plasticity collapse | Equivalent stress | | Calculator type | Four-quadrant diagram | Analytical formulas | Tables + FEA alternative | | τ correction | Fig. 4 (non-dimensional) | Correction factor Q | Not directly included |

| Band number | Frequency | ITU region difference example | |-------------|-----------|-------------------------------| | 4 (VLF) | 3–30 kHz | No major differences | | 5 (LF) | 30–300 kHz | 148.5–283.5 kHz: Broadcasting (Reg. 1) / Fixed, Mobile (Reg. 2) | | 6 (MF) | 300–3000 kHz | 525–1606.5 kHz: Broadcasting (all regions) | | 7 (HF) | 3–30 MHz | 5.9–6.2 MHz: Broadcasting vs Fixed variations | | 8 (VHF) | 30–300 MHz | 174–230 MHz: TV Broadcasting (Reg. 1) / Fixed, Mobile (Reg. 2) | | 9 (UHF) | 300–3000 MHz | 470–806 MHz: Broadcasting terrestrial priority in Reg. 1 | | 10 (SHF) | 3–30 GHz | Uniform allocations for satellite services | | 11 (EHF) | 30–300 GHz | Uniform |