introduction to navcad tutorial - memorial ...bveitch/courses/r-p/assignments/navcad...tutorial...
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INTRODUCTION TO NAVCADTUTORIAL
May 2017
Doug Smith
ENGI. 4011 www.mun.ca
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WHAT IS NAVCAD?
A resistance and propulsion prediction software
Navcad is a valuable tool for naval architects interested in resistance and
propulsion predictions of ships
• There is a large library of prediction methods available (notes on
each method are available in help menu)
• Methods allow for quick computation of R and P Data
• Like all predictive analysis, one must be aware of the potential error
between the case being examined and the model being applied
• An excellent tool for initial design estimates of the resistance and
power requirement of a vessel.
ENGI. 4011 www.mun.ca
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GETTING STARTED
Double click Icon
Start Menu> All Programs >Hydrocomp> NavCad 2014
ENGI. 4011 www.mun.ca
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GETTING STARTED
ENGI. 4011 www.mun.ca
Calc. Menu
Task List
Tabular Data
Data
Entry
Menu
Plot
Window
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GETTING STARTED
ENGI. 4011 www.mun.ca
Check Units
Edit > Units >
Select Mode
Enter/Edit Data
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Condition Data
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Hull Data
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Appendage Data if Applicable
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Environment Data
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Margin Data
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GETTING STARTED
ENGI. 4011 www.mun.ca
Enter Propulsor Data
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PREFORMING COMPUTATION -RESISTANCE
ENGI. 4011 www.mun.ca
Selecting prediction methods > Calculate
Method Expert
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VIEW RESULTS - RESISTANCE
ENGI. 4011 www.mun.ca
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VIEW RESULTS - RESISTANCE
ENGI. 4011 www.mun.ca
Select custom graphs and Reports
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PREFORMING COMPUTATION -PROPULSION
ENGI. 4011 www.mun.ca
Selecting prediction methods > Calculate
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VIEW RESULTS - PROPULSION
ENGI. 4011 www.mun.ca
Select custom graph – Prop Coeff
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TUTORIAL EXERCISE
ENGI. 4011 www.mun.ca
Preform a preliminary resistance prediction using Navcad for the model that will
be used in the open resistance lab this semester. Plot RT vs. V and CT,CR,CF vs.
Fn for the prediction. This can be compared to the values predicted in the lab
later. Use the following data to inform your prediction.