Has anyone used an inertial navigation system with RTK (Real Time Kinematic)?

INS-RTK modules claim to be close to a cm accuracy, has anyone used one and if so, how expensive can the telematic charges be if I have a case to run it 18h per day?

14 December 2020 6,139 8 View

What are first, second and third cracks (red, green&blue color outline) in crack pattern of RC beams in ANSYS APDL?

Hello everyone, Can anyone kindly explain what is mean by three different colours of cracks in RC beams in ANSYS APDL and the features of first crack (red colour outline) second crack (green...

17 November 2020 2,512 1 View

What should be reason for higher values of Ultimate results for RC beam simulations in ANSYS APDL?

My RC beams experimental ultimate load & deflection was 97kN and 20mm resp. But when I model it in ansys apdl it run continuously up to a load of 140kN and 60mm deflection and still...

02 October 2020 8,747 2 View

Why the solution runs continuously even after reaching ultimate strength of beam in ANSYS APDL?

I am analyzing RC beam in APDL and tried convergence criteria with F=0.05 once then U=0.05 and also tried both criterias simultaneously but what I found is my solution continuous even upto twice...

02 October 2020 1,490 2 View

Need "E.Hognestad;" compressive stress-strain curve explanation?

Can anyone kindly explain in case of Hognestad compressive stress-strain curve for concrete, they have given fc" =0.85fc', but why researchers are use fc"=fc' instead. Where fc" =ultimate...

14 August 2020 7,508 3 View

How to perform Molecular dynamics (MD) simulation for corrosion system ?

Dear researchers, Greetings! Please help me to study surface of Fe(110) with Organic Corrosion inhibitor molecules using Materials Studio software. Kindly give suggestion to create a simulation...

02 August 2020 4,267 2 View

What characterization method is used for realizing different phases in a micron size particle?

12 March 2020 6,331 14 View

Which Fuzzification Technique for Ordinal Dataset ?

I have an ordinal dataset on the scale of 1 to 5 based on household surveys about the intensity of agreement (5 being strongly agreed to 1 being strongly disagreed) of residents about certain...

11 March 2020 6,308 2 View

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28 August 2019 2,091 6 View

How to check stress in main steel at first crack, yield load and ultimate load in ANSYS APDL?

good morning everyone, i need your help once again, As i am analysing RCC Simply supported beam in ANSYS APDL. i run the model upto ultimate failure, now i want to check the stresses in steel bars...

12 June 2019 7,168 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View