Blog | TF Analysis

Philip Dai

Jan 61 min read

Sorting nodes from a Node Set

Asked Copilot " abaqus python sort node list based on x coordinate " Got a number of answers, actually quite useful i.e., this process tends to eliminate the need to read Abaqus manual. This is one of the useful answers that easy to adopt. p = mdb.models['Model-1'].parts['Part-1'] nset = p.nodeSets['MY_SET'] # or getSetFromNodeLabels, etc. # create a list of nodes objects sorted by X coordinates nodes_sorted = sorted(nset.nodes, key=lambda n: n.coordinates[0]) labels_sorted

Philip Dai

Dec 23, 20251 min read

IELTS | S for safety

Talked to Copilot on Safety for young person, this is what I got: Very impressive and Copilot can easily change the color scheme for the one-page infographic. Guide for Parents: Respecting YPs & Supporting Independence 1. Build Trust Through Listening Give your child your full attention when they speak. Avoid interrupting or dismissing their feelings. Use phrases like: “I hear you” or “That sounds important to you.” 2. Set Clear, Fair Boundaries Rules should protect safety,

Philip Dai

Dec 15, 20251 min read

Holes - machined features

Internal Counterbore : A recessed cylindrical feature inside a hole, typically for bolt heads or nuts to sit flush. External Counterbore : A recessed cylindrical feature on the outer surface, often for clearance or seating purposes. Here’s a 3D view of internal and external counterbores : Unlike a counterbore hole, a countersink hole features a conical shape. It consists of a simple hole with a tapered recess above it. Creating this cone-shaped recess demands greater calculat

Philip Dai

Dec 9, 20252 min read

Rigid beam elements and connector element

The Abaqus element type RB3D2 is a two-node, three-dimensional rigid beam element used to model components that do not deform . It is frequently used in Abaqus/Standard, particularly in the modeling of offshore structures , because it can transmit Abaqus/Aqua loads (such as fluid drag and buoyancy). It can also serve as a rigid link between different nodes or deformable bodies. In Abaqus, RNODE3D is not a standard element type in the core element library like RB3D2, R3D3,

Philip Dai

May 31, 20252 min read

Installing Salome Meca on Windows 11 using WSL2

References: Installing official Salome Meca on Windows 10/11 using WSL2 https://www.youtube.com/watch?v=pMrkfl_QR6Q&t=371s Salome Meca...

Philip Dai

Feb 6, 20251 min read

AI Insight about humans

Saw this from Lex clips on Youtube. Very impressive answers from all AI. This is from DS R1, beautifully written. It is even more...

Philip Dai

Feb 3, 20251 min read

Poor Richard's Almanack

Poor Richard's Almanack was a yearly almanac published by Benjamin Franklin under the pseudonym "Richard Saunders." It was first...

Philip Dai

Oct 24, 20243 min read

surface type clinder

Data lines to define surfaces created with TYPE=CYLINDER: First line (leave blank if this surface is being defined within a part or a...

Philip Dai

Oct 22, 20242 min read

UEL for HFW pipes

Uniform Elongation (UEL) For all tensile tests (MPQT & Production tests), in addition to recording / reporting the YS, TS, and YS/TS, the...

Philip Dai

Oct 15, 20243 min read

Remote Interview Video Podcast

Based on the following link: (Ref: https://www.vidyard.com/blog/interview-videos/?gdpr-consent=674 ) To record a quality interview,...

Philip Dai

Aug 29, 20245 min read

Conversation with Copilot: keep your options open for both STEM and humanities courses at university

Here are some universities known for their strong programs in Maths, Further Maths, Physics, and English Literature: United Kingdom...

Philip Dai

Aug 23, 20244 min read

School preferences (Conversation with Copilot)

There could be several reasons why you prefers a school that you perceive as worse compared to a better one. Here are a few...

Philip Dai

Aug 22, 20242 min read

Copilot: A-Level Combinations

Combining Maths, Further Maths, and Physics is a strong foundation for many STEM fields. Here are a few complementary subjects you might...

Philip Dai

May 22, 20241 min read

Catenary calculations

Let a catenary be embedded in a cartesian plane so that the 𝑦-axis passes through the lowest point of the catenary. (The word catenary...

Philip Dai

May 21, 20241 min read

Nominal bending strain for pipe

Orcaflex: (half the pipe diameter) / (radius of curvature) Abaqus thin pipe: (pipeline MR) / Radius_of_curvature pipeline MR = (half the...

Philip Dai

May 21, 20241 min read

thin and thick pipe hoop stress due to pressure

In Abaqus, the effective axial section force for beams subjected to pressure loading is defined as: thin pipe theory: Hoop stress S22 =...

Philip Dai

Apr 18, 20241 min read

Connector Elasticity to define rotational stiffness

** *Node 1, 0., 19121.25, 0. *Element, type=CONN3D2 1, 1, Beam_CS-1.1 *Connector Section, elset=Wire-1-Set-1,...

Philip Dai

Mar 21, 20241 min read

Straightening Process for Reel Lay System and RCM

The straight settings produce a pipe whose OOS is less than 0.15%L typically, ±9mm when L is taken as 6m (i.e., radius of curvature:...

Philip Dai

Mar 19, 20242 min read

Nonlinear isotropic/kinematic hardening model

In the most analyses, the plasticity model we used for offshore pipelines, only have the following lines: *material, name=mat *Density...

Philip Dai

Mar 19, 20241 min read

PIPE31(H) for offshore pipelines

The pipeline is normally modeled using PIPE31(H) elements. The shear flexible (Timoshenko) pipe elements are good for finite axial...

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