1.1. Design as a consequence of the resources consumed by a motivation 2

1.2. The relationship between needs, motivation and information n 3

1.3. The value-generating process in society 5

1.4. The role of the mediator in the value-generating process in society 6

1.5. Functions associated with the different actors intervening to satisfy the customer’s motivation 8

1.6. Actors intervening in the value-generating process in society  10

1.7. Two examples of possible feedback in a design process 12

1.8. The Honda RA302 14

1.9. Position of the driver in the Honda RA301 and the RA302 15

1.10. Example of a possible deployment of the information-activity-information pattern in a design process  30

1.11. Spiral diagram illustrating the repetition of phases in each iteration of a possible design process in the aerospace industry 32

1.12. The relationship between industry and the European Space Agency in a typical design process 34

2.1. Relationship between the different spaces of definition and the transfer function 60

2.2. Common range of two intervals 62

2.3. Spaces of definition and operators 66

3.1. Flow chart of a design process and spaces of definition 78

3.2. Flow chart of the design process 81

3.3. Spaces of definition and domains in a design process 82

3.4. Flow chart for a design process including the axiomatic design decision criteria 104

3.5. Drawing of the Trent 500 engine used on the Airbus A340–500 and –600 106

3.6. Diagram of a three-shaft turbojet showing the mechanical loads that appear on the three coaxial shafts and housing in the absence of supports 106

3.7. Diagram showing a design solution in which each pair of bearings is anchored to the inner shaft, except for the first, which is anchored to the housing 111

3.8. Diagram showing a design solution in which each bearing is anchored to the case 112

3.9. Solution adopted to uncouple the liquid flow and temperature control problem 123

5.1. Reliability calculation process for a solution affected by different independent failure modes 170

5.2. Diagram showing the boundary surface with the most probable point on it 174

5.3. Schematic of a transfer valve used in a mechanical fuel injection system for diesel engines 180

5.4. Schematic of a bearing showing the raceways and two rolling elements 183

5.5. Main parameters defining the geometry of the area where the rolling elements are compressed 184

5.6. Dimensionless bearing lifetime as a function of diametral clearance 190

1.1. Basic characteristics of the Honda RA302 and the Ferrari 312 F1 16

1.2. Typical activities in a design process 27

3.1. Design matrix relating the design parameters for an arbitrary set of bearings to the functional requirements of the shaft where they are mounted 108

3.2. Design matrix that satisfies the axioms 109

3.3. Design matrix for the configuration shown in Figure 3.7 110

3.4. Design matrix for the configuration shown in Figure 3.8 111

4.1. Sources of noise 137

4.2. Reducing variation by the different activities in the configuration of a product 139

4.3. Relationship between quality and cost for the different variation control activities 140

4.4. Optimum parameter values for an inexperienced archer 161

4.5. Optimum parameter values for a trained archer 161

4.6. Optimum parameter values for an archer without angular positioning errors 162

5.1. Result of the iterations performed with expression (5.39) 179

A.1. Number of variables for resolution III and V fractional factorial designs 242

A.2. Efficiency of a resolution V fractional factorial design with a star and a central point as a function of the number of variables 244

A.3. Experimental matrix for a resolution V fractional factorial design with n central points and one star 245

A.4. Experimental design with resolution III for 5 factors 247

A.5. Experimental design with resolution V for 5 factors 247

A.6. Experimental design with resolution III+V for 5 factors 248