Radar Mast & Final Assembly of Yacht

MODELING AND ASSEMBLING THE YACHT MODEL

• INTRODUCTION

A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, so the term applies to such vessels that have a cabin with amenities that accommodate overnight use. To be termed a yacht, as opposed to a boat, such a pleasure vessel is likely to be at least 33 feet (10 m) in length and may have been judged to have good aesthetic qualities. General classification  of yacht was sailing yacht, motor yacht , or gullet yacht and then as a sport or luxury yacht. Their classification based on their size superyachts are typically 24 meter(78 feet) and above .Mega yacht are typically over 80 meter (260 feet). Further they were classified based on their appearance and functions such as with fly bridge , sedan pilot house , and sportfish yachts , for example

• OBJECTIVE

 In this project we will be modeling part of yacht using the concept sketch . All the part were modelled in solidworks part modeling workbench and assemble them in solidworks assembly workbench .To make the yacht realistic we well be adding the decals and render it in a real time HDR environment using Solidworks visualize .

• PART MODELING

In part modelling, we can create the Individual parts in the chopper in solidworks. These are the following parts in the American chopper.

1. Propeller
2. Radar

3.Blue print

4.Hull

5.Garage Door

.6 Front seat

7. Middle seat
8. Rear seat
9. SuperStructure
10. Radar mast
11. Garage Door

• FEATURE USED TO DESIGN FOLLING PART

SKETCH:

Sketch is the 2 dimensional representation of the model with respect to the plane/view from the outside of the model. In solid works there are different sketch options available to create a sketch. These are known as Entities in solid works. The following are the entities available in solid works Line, Arc, Spline, Circles, Rectangle,etc.

OFFSET:

One or more sketch entities, selected model edges, or model faces by a specified mentioned distance. For example, you can offset sketch entities such as splines or arcs, sets of model edges, loops, and so on. You can offset finite lines, arcs, and splines.

EXTRUDE BOSS/BASS:

 Extrude is a type of 3D feature available in solid works to convert a 2D sketch into the 3D model.

FILLET:

 Fillet/Round creates a rounded internal or external on particular edge or even to the phase. You can fillet all edges of a face, selected sets of faces, selected edges, or edge

CHAMPER:

It is also like as fillet, but inteed of round edge it forms the sharp edges to tha the face that we select

LOFTED BOSS/BASS:

The loft feature allows you generate complex geometry in a single simple feature. It does this by combining the surfaces between various cross-sections of a model. These cross-sections can be sketches, faces, or edges. In the loft interface, these cross-sections are considered "Loft Profiles".

DOME:

Select one or more planar or non-planar faces. You can apply domes to faces whose centroid lies outside the face. This allows you to apply domes to irregularly shaped contours.

EXTRUDE CUT:

Extrude cut is another cool feature which helps to remove materials from the 3D model. It is just the opposite to extrude boss/base feature, because it cuts a sketch profile while extruding. You can cut in both directions and mainly used for creating holes, channels. slots etc.

SPLIT:

 The Split tool is used to project an entity (sketch, solid, surface. face, plane, or surface spline) onto other surfaces or curved/planar

faces. You are also able to split faces on multiple bodies with one command.

TRIM ENTITIES:

Select the trim type based on the entities you want to trim or extend. All trim types are available with 2D sketches and 2D sketches on 3D planes. You can use any of the following trim options: Power trim.

• To create a revolve feature: Create a sketch that contains one or more profiles and a centerline, line, or edge to use as the axis around which the feature revolves. Click one of the following revolve tools.

DYNAMIC MIRROR:

Dynamic mirror is the important tool in solid works. As you sketch the entities, they are mirrored about the pre-selected sketch entity.

LOFTED SURFACE:

 Loft Surfaces are surfaces generated by multiple 3D Curves or existing edges creating a smooth tangency between the selected curves.

SWEPT SURFACES:

Sweep Surfaces are surfaces that are generated from a section curve positioned along a path.

FILLED SURFACE:

The Filled Surface feature constructs a surface patch with any number of sides, within a boundary defined by existing model edges. sketches, or curves, including composite curves.

SURFACE TRIM:

Primarily used to cut away material from a surface, and provides two modes: Standard and Mutual.

EXTEND SURFACE:

Extend Surface is used to extend the surface which is already created. There are different options available on the extended surface. We can extend the surface as same surface or we can extend the surface tangent to the surface.

SURFACE KNIT:

Surface knit is used to knit the two free edges/open edges of the surfaces together. Also it reduces the gap between the two edges of the surface.

OFFSET:

• Offset one or more sketch entities, selected model edges, or model faces by a specified distance. For example, you can offset sketch entities such as splines or arcs, sets of model edges, loops, and so on. You can offset finite lines, arc, and splines.

EXTRUDE:

Extrude is a type of feature available in SolidWorks to convert a 2D sketch into the 3D model.

FILLET:

Fillet create a rounded internal or external face on the part. We can fillet all edges of a face, selected sets of faces, selected edges, or edge loops in the solid body.

APPEARENCE:

It gives the specific visual property to the part. We can give appearence to specific features or to specific face,based on requirement.

PROJECT CURVE:

The projected curve will be available under the features tab, the project curves command can be used to create a 3d curve. The 3D curve can be created by using the reference of two 2D curves.

FILL SURFACE:

 Creates a surface patch within the boundary defined by existing model edges, sketches or curves.

SURFACE EXTRUDE:

 Creates an extruded surface based on some reference sketch.

• DESINE METHODOLOGY

• MODELING
• Propeller

A propeller is a type of fan that rotates by transforming rotation motion into thrust. When a propeller rotates, the force created by that rotation is then converted into pressure that is eventually used to propel the fan-shaped apparatus.

The base of propeller is first modelled by using revolve feature. On the blade is created by Loft feature around the corner . Then other blade were created by Circular pattern feature .A hole is made on the back side of the base of the propeller using Extrude cut  on create a hole for fixing with propeller shaft.

• Radar

A marine RADAR is a ranging and detection system that picks up signals from objects several hundred feet or several miles away from your boat. The RADAR system sends out a signal in the form of a sound wave. This pulse is sent out from the RADAR dish on top of your boat.

This model is created Extrude command. Fillets done to avoid the sharp edges and also to make a desired shape around the model. Sides of the main block is created by using Convert-Entities feature and extruding them from the base of the main frame. Screws were Extruded and Filleted to make ball shaped head and Hexagon hole for the Fastening is created using Cut-Extrude feature.

Before proceeding to modelling of the hull we have to set up the blueprint of the all the views of the yacht model on their corresponding planes. Below image shows the blueprint setup of the models in the sketches using the Sketch Picture command when inside a sketch.

• Blue Print

 A photographic print in white on a bright blue ground or blue on a white ground used especially for copying maps, mechanical drawings, and architects' plans.

• HULL

The hull is the body of the boat. It is sealed to prevent water from transmitting its way through and keeping your boat afloat. A hull can be open where you sit in it, such as a small dinghy, or a deck may cover it as you would find on a yacht. There are three main classifications of hulls; displacement, semi-displacement and planning. A hull type is named according to its shape, particularly the shape of the hull's run. This shape affects the vessels general performance and ability to attain certain speeds. There are two flat plates located on both sides of the hull near the propellers to prevent the roll movement of the yacht. They also carry the anchors to prevent the movement of the craft with waves. Further the deck may contain some amenities to relax based on the personal choices.

In this model Project Curve becomes a handy feature to create surface lofts. Two base surfaces of the hull are created using Surface Loft feature. Surface-Trim feature is used to cut the base shell to create a slant edge to create a Surface Loft near the steps area. Then the top and the inner side of the surface were covered using the Surface fill option and make them as solid. Boat kind of shell is formed from the solid using Shell feature with thickness of 120mm. Now we have full shell but a solid to act as a deck surface which need to be created Extrude feature. The base which is extended from the hull is created using the Extrude feature then it is trimmed and filleted to get the final shape using Cut Extrude, Fillet and Chamfer features. Then windows are created using Cut Extrude feature and sharp corners were Filleted. Now a plane is created normal to edge of window created and a circle is drawn and swept along that sketch using Sweep feature. Now the window is created using Cut Extrude option in Arc shaped window and the walls near the steps. Now space for the steps is created on the hull solid at back side using the Extrude Cut feature. Steps were created using Extrude feature using the Sketch as input. Now the features on the Deck surface were create using commands like Extrude, Extrude-Cut, Fillets, Linear Pattern, Helix, and 3D Sketches. Handrails and the grilles for the windows near steps and arc shaped windows were created using the Swept Boss feature. Now railings references were sketched in Mid Plane and the edge of the outer surface is offset for 60mm in a different sketch. Now both of the sketches were converted into a single curve using Projected Curve feature. Then a plane is created at one end of the projected curve and Circle of 25 mm is made and pierced with the curve. Railing is created using Swept Boss feature. Now the stabilizers and propeller shafts were created using Extrude, revolve features and further to get realistic appearance Chamfer and Fillets were added to the model. Now the space for the garage is created and the cut block is saved in a different file to model the garage door from it. Once the model is created the deck surface is extracted using Surface Offset option with Omm offset to use them in a creating Superstructure, Front, Midd and Rear Seats. Then the model is mirrored about the Mid plane and the surfaces, solids were knitted and merged together to form a single solid.

• Garage Door

It is the covering unit of garage.

The garage door is created from the block which we have saved when we are modelling the Hull. The block is converted as a door by trimming the block with cut-Extrude feature. Inner side, top side and the right side of the door is made into a Shell feature with thickness of 50mm. All the sharp edges were avoided using Fillet feature. Hole on the side of the door is created by Cut Extrude option. The body is Mirrored about the Mid Plane, and the solids were merged. The text is entered in a sketch and projected on the door using Cut-Extrude command.

• Front Seat

Front seat is one of the relaxing spots which is placed on deck surface

Outer surface of the side body is created by Surface Swept feature and the inner surfaces were created by surface extrude option. Then these two surfaces were trimmed together, and the top surface is covered using Surface Fill feature. Middle part is created using Revolve feature up to the mid plane. Then the seats were created using Revolve feature then all the bodies were mirrored, and their edges were blended using the Fillets feature. Then the top surfaces were made into convex surface to give realistic look using Dome feature.

• Middle seat

It the spots for dine or relax on the yacht.

This model is created simply by Extruding the sketch made on the deck surface. Then the base cushion faces were Extruded. Table is created by Extruded from the base of the deck.

• Rear seat

Rear seat is placed near the middle seat at the edge of the middle surface

On rear side.

Back side of the seat surface is created using Surface sweep feature along the curved shape guide curve. Then side end surfaces at the back side is created using the Surface offset feature. Then these two surfaces were trimmed using a straight line. The outer surfaces were extended using a Ruled surface command and the outer side of the surface is trimmed off with a straight line using Trim surface command. Inside surface of these two surfaces were joined in a same continuity and a step is formed on the outer sides of the two surfaces using Surface Loft. Surface Sweep, Surface Trim, and they were joined using Surface Knit feature. Then all the other side were also extended and made as a solid using the above said commands. Seating base is created by Extruding the sketch from the Deck surface and the space for storage is Extruded from the seat surface. On the front sside of the rear seat the door kind of look is created for the storage is created using a Cut-Extrude feature. Hinges and the handle for the door is created using Extrude Boss feature. Solid for the cup holders were made by Boss-Extrude command and Holes were made on the solid to act as cup holders using Cut-Extrude feature. Then cushion surfaces were made by offsetting the base. surface using the Surface Offset command. Side grilles were created using a Swept Boss feature. Then all the solids were mirrored about the mid plane and the solids were merged. Flag is created using Surface Loft feature with 3D curves as input.

• Super Structure

It is an extended structure built over the existing structure. The size of the superstructure has great influence on the mobility of the vessel They were designed in such a way that they hinder the speed and mobility in the least amount. The radar, signal transmitters and other communication devices were usually placed on the superstructure as it is the highest point of the superstructure.

The base of the superstructure is created by Surface-Extrude command using the sketch made of Lines and Splines using the Blueprint of the model. Further the surfaces were made using Surface-Loft command with the 3D curves and the Projected Curves and input. Water jacuzzi is created using Revolve command and the water surface is created using the Surface Extrude command. Handrails were created using Swept boss command. Steps were created using the Extrude command. Dome feature is used to give the realistic look to the relaxing spots. Then all the bodies were mirrored about the mid plane. One of the top surfaces on the rear side is Extracted using Surface offset command to use it for creating the radar mast.

• Radar Mast

 The Mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the centre-line of a ship or boat. Its purposes include carrying sails, spars, and derricks, and giving necessary height to a navigation light, look-out position, signal yard, control position, radio aerial or signal lamp.

• YACHT ASSEMBLE

All the designed components are taken into the assembly section in Solid Works and using different mating features such as concentric, coincident, parallel, etc., the entire assembly of the yacht is created.

Once the application of the decals is finished, the assembled yacht is taken into Solid Works Visualize or using Photo-view 360. Here various aspects such as camera, external lightnings, background scenes, etc. are taken into consideration before the creation of the final rendering. The final rendered images of the luxury yacht are derived.

• RENDARING

1. Rendering is the process of creating realistic images of the photorealistic model with the environment. 2. Rendering has been done in two ways in solid works. The following are the two ways,

• Photo view 360
• Solid-works Visualize

3.In the photo-realistic model some of the mate conditions and positions are changed to render realistic models.

4.Then the photo-realistic model is rendered into realistic images with different views.

5.Here I have used both the photo-view 360 and Visualise for rendering the assembled mode

• CONCLUSION

The parts of the yacht are sketched and modelled in the solidworks.

The parts are inserted and assembled by giving proper mates in solidworks assembly.

The realistic image was rendered in photoview 360 & solidworks visualize.