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Newton Generalized Treatment
Most of people have heard of Newton’s second law, mass, moment of inertia or the definition of the acceleration both linear and angular. The stuff presented here is elementary (9th grade), yet it is...
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Longitudinal Aircraft Dynamics #5 – finishing the aircraft
This section finalizes the aircraft (glider) by inserting the wing, the horizontal stabilizer and a center of gravity (CG) sprite in the layout.
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Moment of Force and Torque Calculation
This is an addition to a previous post, introducing the reader to different ways of calculating the moment of a force and the torque of a couple. This information will be useful in aircraft dynamics...
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Longitudinal Aircraft Dynamics #6 – worksheet implementation of the dynamics...
In this section, the parameters cl, cd and cm are scaled back to the force of lift, drag and the pitching moment of the aircraft. After that, the numerical modeling scheme is described together with...
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Longitudinal Aircraft Dynamics #7 – worksheet implementation of the dynamics...
This section continues the worksheet implementation of the dynamics formulas.
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Longitudinal Aircraft Dynamics #8 – worksheet implementation of the dynamics...
This section continues the worksheet implementation of the dynamics formulas for aerodynamic forces and momenta.
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Longitudinal Aircraft Dynamics #9 – more about forces and momenta –...
This tutorial finalizes the implementation of the forces and momenta acting on the plane. It also initiates some hand testing and validation of the overall dynamics of the plane.
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Longitudinal Aircraft Dynamics #10 – implementing the numerical method
This section of the turorial finalizes the main dynamics calculations and implements the numerical method for approximating the glider trajectory. At this point, the model is already functional but...
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Longitudinal Aircraft Dynamics #11 – full 360 degree operation – aerobatics,...
This section updates an angle formula so that the virtual glider can now perform both backward and forward loops, as well as inverted flight.
View ArticleA Basic Planetary System – video preview
Since not everybody has Excel and more and more people are on the dumbed down new versions (2007 and 2010) I am presenting these previews to give the readers a feel of the real speed and feel of some...
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Building a game of Tetris #1– the generation and the rotation of the...
This is the first section of a tutorial about the creation of a Tetris game in Excel using mainly spreadsheet formulas and very little VBA.
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An Animated Linear Feedback Shift Register (LFSR) as a Pseudo Random Pattern...
This is the first part of a tutorial (self, 2, 3) describing the creation of an animated Pseudo Random Number Generator model as a Fibonacci type Linear Feedback Shift Register in MS Excel 2003.
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An Animated Linear Feedback Shift Register (LFSR) as a Pseudo Random Pattern...
This is the second part of a tutorial (1, self, 3) describing the creation of an animated Pseudo Random Number Generator model as a Fibonacci type Linear Feedback Shift Register in MS Excel 2003. This...
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An Animated Linear Feedback Shift Register (LFSR) as a Pseudo Random Pattern...
This is the third part of a tutorial (1, 2, self) describing the creation of an animated Pseudo Random Number Generator model as a Fibonacci type Linear Feedback Shift Register in MS Excel 2003. This...
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Introduction to Digital Electronics – a Simplified Model for Logic Gates –...
This is the first part of a tutorial (self, 2, 3) about modeling logic gates in MS Excel 2003. This first model will include no delay or loading for the gates. The following type of gates will be...
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Introduction to Digital Electronics – a Simplified Model for Logic Gates –...
This is the second part of a tutorial targeted at modeling logic gates in MS Excel 2003. The first part introduced the basic logic gates,, symbols and associated logic equations. This model includes...
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Introduction to Digital Electronics – a Simplified Model for Logic Gates –...
This is the third part of a tutorial about modeling logic gates in MS Excel 2003. This first model includes no delay or loading for the gates. This section creates user defined functions for each gate...
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A Delay Based Animated Excel Model for Single-Stage Logic Gates – part#1
After learning how to model ideal logic gates in MS Excel 2003 it is time to attemp to create a delay based model. This first model is just a theoretical presentation about delay, how it can be...
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A Delay Based Animated Excel Model for Single-Stage Logic Gates – part#2
This is the second half of the delay based Excel model tutorial. In this part the final formulas are derived and implemented in Excel 2003. The model proves to be fast and reliable and it is actually...
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An Interactive Gated Ring Oscillator Tutorial – part #1
This is the first part of tutorial explaining how to make an interactive animated Excel model of a gated ring oscillator in MS Excel 2003 (the model will run fine in newer versions too). A delay based...
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An Interactive Gated Ring Oscillator Tutorial – part #2
This is the second part of tutorial walking through the creation of an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section is mainly concerned with the...
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An Interactive Gated Ring Oscillator Tutorial – part #3
This is the third part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section deals with upgrading the model from a static table based...
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An Interactive Gated Ring Oscillator Tutorial – part #4
This is the fourth part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003. This section adds a joystick to the model which smoothly adjusts the...
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About the Speed of Spreadsheets #1
This post considers several aspects about improving the speed of spreadsheets in both MS Excel 2003 and 2007. In this first part, a “stopwatch” macro is described which, when incorporated in any of...
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About the Speed of Spreadsheets #2
This is the second post on Excel speed. The first part benchmarked the calculation speed of Excel 2003 versus Excel 2007 for various size arrays of formulas. This part analyzes the effect of formula...
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