Author Archives: saemiller
On Theory and Experiments
Regarding computing as a straightforward routine, some theoreticians still tend to underestimate its intellectual value and challenge, while practitioners often ignore its accuracy and overrate its validity. C. K. Chu, Columbia University, 1978
2022
This semester we are continuing to perform research for DARPA on analytical methods for hypersonic aerodynamics. It is a difficult task. My new students are transitioning well and former students are excelling in their new careers. I am teaching a new course on turbulence modeling. This should be placed online for everyone near the end …
Foundations of Turbulence
The mathematical formulation of the problem of homogeneous turbulence is this: Given an infinite body of uniform fluid in which motions conform to the equations and, and given that at some initial instant the velocity of the fluid is a random function of position described by certain probability laws which are independent of position, to …
When2Meet – Wonderful App
https://www.when2meet.com/ Best little piece of software for finding mutual meeting times at work. Completely free and donation supported.
Hope for Finding the Snark
On Nonsense
There is no reason to suppose that Carroll was in the slightest degree evasive in denying that he had intended his poem to mean anything at all. But, as he himself pointed out, words can mean much more than a writer intends. They can express meanings buried so deep in an author’s mind that he …
Proof that Any Number Equals Itself from the Hunting of the Snark
$$\frac{(x+7+10)(1000-8)}{992}-17$$
Calculator Museums
http://datamath.org/ There are a few wonderful websites online that show the history of calculators. I am very partial to Casio myself, but the Data Math Museum of Calculators has some very interesting history related to the TI series. Also, for those of you who grew up in the United States, one might remember the Little …
Quillbot – A Fast Writing Tool
https://quillbot.com/ Quillbot is a nice free (paid version available) tool to help rephrase or fix grammar issues in writing. Sometimes I encounter tough sentences when preparing papers. A quick copy and paste through Quillbot has helped. I also have referred to some of my students to the site. I do caution that sometimes the meaning …