The date of the file shows that it was created in April 1998. It was originally a Mac C program, which I made around ’89, and I converted it to a Java applet in ’98.
The poseidon polymerization simulator has been on the pirika homepage since I started the pirika homepage in 1999.
The Java applet was no longer available due to security reasons and had to be thrown back.
Even though I have published applets and Javascript programs like this, I receive almost no inquiries from Japan. (There are inquiries from outside of Japan.)
As for Poseidon, I received a second inquiry in Japan for the first time in 10 years.
I haven’t decided what to do with it, but for now, I searched for old files and modified it to run as a JAVA application instead of an applet. The application is not well arranged with the menu bar, but it works now.
First, enter the type of monomers and the amount to be used.
Then, enter the radical initiator and chain transfer agent.
Then the Start button is displayed. Enter the reaction temperature and reaction time, and start the calculation.
It shows what kind of sequence image polymers can be made, the degree of polymerization, monomer and initiator reduction, and GPC simulation results.
I’m impressed that I could create something like this 30 years ago, but I’m even more impressed that it works the same way it did 20 years ago, with just a few tweaks to the code.
After 2-3 years, the latest software will stop working because of an OS upgrade or something, and they will charge a new renewal fee.
And no one will use it.
I’ve been reflecting on this a bit, so I thought I’d put it on my blog.
Another thing I don’t understand is that it works like this on Eclipse, the integrated development environment for JAVA, but when I turn it into an application in the form of a jar, it doesn’t work.
Well, I guess it’s a OK because I won’t be distributing it.
The name POSEIDON stand for POlymer SEquence IDentified ON Mac.
The results of sequence analysis itself is a very important physical property to do MI, so I am continuing to develop it, but I am not doing much in the way of reaction engineering.