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Understanding BAT Algorithm--Part 1
The Bat Algorithm (BA), proposed by Xin-She Yang in 2010, is a swarm intelligence method for global optimization inspired by the...
Adisorn O.
Sep 27, 20252 min read
Outlook of Applications in Multi-Objective Optimization Design
*Auto Generated by GPT-5 1. Steel and Concrete Frame Design Objectives: Minimize material cost (steel weight, concrete volume). Minimize...
Adisorn O.
Sep 27, 20252 min read


Multi-Objective Optimization using PSO (MOPSO)--Spread Footing Design Example
Problem setup We want to design a square footing on soil that satisfies safety and economy. Design variables : B = footing width (m) D =...
Adisorn O.
Sep 27, 20253 min read


What is Lévy Flight?
Lévy Flight or Lévy Step is commonly used in modern swarm-based algorithms, especially by Prof. Xin-She Yang's algorithms. The Lévy step...
Adisorn O.
Sep 24, 20252 min read


Optimization of RC Beam under Flexure using Harmony Search (ACI 318-19)
In this blog, we present an example of RC beam section optimization. The optimization problem is formulated as following: Design Vars: b,...
Adisorn O.
Sep 22, 20254 min read


Harmony Search Algorithm : A music-inspired optimizer
When a musician composes or improvises the music he might choose from 3 strategies: Reuse the line of notes from his memory...
Adisorn O.
Sep 22, 20253 min read
JAYA Algorithm (RV Rao, 2016): Overview
The Jaya algorithm , proposed by Prof. R. Venkata Rao (2016), is a simple, yet effective population-based optimization algorithm . The...
Adisorn O.
Aug 1, 20252 min read
When to use the 'allocatable' keyword when declaring dynamic arrays in Fortran
It can confuse when to use allocatable keyword when declaring dynamic arrays. We have two scenarios to declare the array here First...
Adisorn O.
Mar 26, 20251 min read
MOPSO: A Framework for Multi-objective Particle Swarm Optimization
Explanation of the Code Problem Definition Defines two conflicting objective functions to minimize. Sets variable bounds (-5 to 5) ....
Adisorn O.
Mar 11, 20253 min read




Analogy between Neural Network and Optimization Problems
Adisorn Owatsiriwong To fully understand the relationship between the neural network or deep learning and optimization problems, we can...
Adisorn O.
Aug 29, 20241 min read


Practical Approach in converting Serial to Parallel For Loop (parfor)
Adisorn Owatsiriwong Practical Approach: Converting a serial to parallel for loop must ensure each worker (cpu) handles an independent...
Adisorn O.
Aug 23, 20241 min read


MATLAB's Parallel Computing Concept & Applications : Part 1 - Introduction
Adisorn Owatsiriwong Parallel programming in MATLAB enables us to perform multiple computations simultaneously by dividing tasks into...
Adisorn O.
Aug 12, 20242 min read


Suppressing Vibrations in a 2DOF Mass-Spring System Using a Tuned Mass Damper: Part 1 -- Introduction
Adisorn Owatsiriwong, D.Eng. **Introduction** In many engineering applications, mechanical systems are subjected to dynamic loads that...
Adisorn O.
Aug 9, 20242 min read
Type of Optimization Problems:Combinatorial & Fixed-Variable Problems
Separating combinatorial problems from fixed-variable problems involves understanding the nature of the variables you're dealing with in...
Adisorn O.
Aug 9, 20242 min read


Introducing OptiForm
Adisorn Owatsiriwong, D.Eng. Introducing OptiForm(tm): The Next Level in Shoring Design! We're thrilled to unveil our latest innovation...
Adisorn O.
Aug 7, 20241 min read


Using result() in F90 function to return single array variable
The function with result() in f90 is developed to consistent with high level language like MATLAB. It's rather return the value of...
Adisorn O.
Jul 11, 20241 min read


How to Create Matrix and Vector in modern Fortran (from 2003)
The way modern Fortran provides to create matrix and vector is more convenient, let's check the example below. OUTPUT: A = 1.00000000 ...
Adisorn O.
Jul 10, 20241 min read


LAPACK Package Testing for LU Solver Ax = b
To solve the linear system Ax = b, LAPACK provide a function dgesv() see more detail https://netlib.org/lapack/explore-html-3.6.1/d7/d3b/...
Adisorn O.
Jul 9, 20242 min read
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